2010 Emath Paper1
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This document is an exam paper for the General Certificate of Education Ordinary Level Mathematics exam. It consists of 10 multiple choice and short answer questions testing a variety of math skills, including evaluating expressions, solving equations, calculating averages, using ratios, and working with measurements. Candidates are instructed to show their working, use only a pen or pencil, and are not permitted to use calculators or mathematical tables. The exam is out of a total of 80 marks and candidates have 2 hours to complete it.
![UNIVERSITY OF CAMBRIDGE INTERNATIONAL EXAMINATIONS
General Certificate of Education Ordinary Level
*4478702973*
MATHEMATICS (SYLLABUS D) 4024/11
Paper 1 May/June 2010
2 hours
Candidates answer on the Question Paper.
Additional Materials: Geometrical instruments
READ THESE INSTRUCTIONS FIRST
Write your Centre number, candidate number and name on all the work you hand in.
Write in dark blue or black pen.
You may use a pencil for any diagrams or graphs.
Do not use staples, paper clips, highlighters, glue or correction fluid.
DO NOT WRITE IN ANY BARCODES.
Answer all questions.
If working is needed for any question it must be shown in the space below that question.
Omission of essential working will result in loss of marks.
NEITHER ELECTRONIC CALCULATORS NOR MATHEMATICAL TABLES MAY BE USED IN THIS
PAPER.
The number of marks is given in brackets [ ] at the end of each question or part question.
The total of the marks for this paper is 80.
For Examiner’s Use
This document consists of 20 printed pages.
DC (LEO/CGW) 15629/3
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NEITHER ELECTRONIC CALCULATORS NOR MATHEMATICAL TABLES For
MAY BE USED IN THIS PAPER. Examiner’s
Use
1 Evaluate
(a) 1 + 2 ,
2 9
Answer (a) ...................................... [1]
(b) 2 ÷ 9 .
3 11
Answer (b) ...................................... [1]
2 (a) Evaluate 10 – 8 ÷ 2 + 3.
Answer (a) ...................................... [1]
(b) Find 20% of 60 cm.
Answer (b) ................................ cm [ 1]
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3 Sara carries out a survey of the colours of cars in a car park. For
She draws a pie chart to represent her results. Examiner’s
Use
(a) There are 7 red cars.
The angle representing the red cars is 40º.
Calculate the total number of cars in the car park.
Answer (a) ...................................... [1]
(b) Sara’s pie chart is a circle with circumference 28 cm.
Find, in terms of π, the diameter of the circle.
Answer (b) ................................ cm [ 1]
4 Ed goes on a car journey.
The first 60 km of the journey takes 45 minutes.
The remaining 20 km of the journey takes 30 minutes.
Calculate his average speed, in kilometres per hour, for the whole journey.
Answer ..................................km/h [2]
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5 For
North Examiner’s
Use
D A
S
C B
The bearing of a lighthouse from a ship, S, is 220º.
The position of S is marked on the diagram.
(a) Which of the four points A, B, C or D is a possible position of the lighthouse?
Answer (a) ..................................... [ 1]
(b) Write down the bearing of S from the lighthouse.
Answer (b) ..................................... [ 1]
6 (a) Solve 6x – 5 9 + 2x.
Answer (a) ..................................... [ 1]
(b) Write down the largest integer which satisfies the inequality
6x – 5 9 + 2x.
Answer (b) ..................................... [ 1]
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7 Given that n is an integer and n 1, decide whether each statement in the table is true or false. For
Examiner’s
For each statement write true or false in the table. Use
If you write false, give an example to justify your decision.
Statement True or False Example (if false)
n3 > 1
1> 1
n n2
(n – 1)(n + 3)
is always odd
[2]
8 (a) The ratio of Sayed’s age to his mother’s age is 2 : 7.
Sayed is 14 years old.
How old is his mother?
Answer (a) .............................years [ 1]
(b) The ratio of Fatima’s age to her father’s age is 3 : 8.
The total of their ages is 66 years.
How old is Fatima?
Answer (b) .............................years [ 1]
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9 For
Examiner’s
Use
Pencils are packed in a box.
Each pencil has a diameter of 7 mm, correct to the nearest millimetre.
(a) Write down the lower bound of the diameter of a pencil.
Answer (a) ...............................mm [ 1]
(b) Find the smallest width of a box that can always hold 8 pencils side by side.
Give your answer in centimetres.
Answer (b) ................................ cm [ 2]
10 Evaluate
(a) 0.2 × 0.06,
Answer (a) ..................................... [ 1]
(b) 3 ÷ 0.01,
Answer (b) ..................................... [ 1]
1
(c) 27 3 .
Answer (c) ..................................... [ 1]
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11 For
Examiner’s
Use
D
A B
O
C
The diagram shows two circles, both with centre O.
CD is a diameter of the small circle and AB is a diameter of the large circle.
Using congruent triangles, show that BD = AC.
State your reasons clearly.
In triangles ................... and ...................
...........................................................................................................................................................
...........................................................................................................................................................
...........................................................................................................................................................
...........................................................................................................................................................
...........................................................................................................................................................
...........................................................................................................................................................
...........................................................................................................................................................
...........................................................................................................................................................
...........................................................................................................................................................
...........................................................................................................................................................
...................................................................................................................................................... [3]
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12 For
Examiner’s
Use
y
8
B
7
6
A
5
R
4
D C
3
2
1
0 x
0 1 2 3 4 5 6
In the diagram, the region, R, is bounded by the lines AB, BC, CD and DA.
(a) Write down the coordinates of the midpoint of AB.
Answer (a) (........... , ........... ) [1]
(b) Region R is defined by four inequalities.
One of these is y x + 5.
Write down the other three inequalities.
Answer (b) ...........................................
...........................................
..................................... [ 2]
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13 Two families ordered three basic food items from their local shop. For
The Jones family ordered 1 bag of sugar, 4 cartons of milk and 3 loaves of bread. Examiner’s
The Singh family ordered no sugar, 3 cartons of milk and 5 loaves of bread. Use
Their orders can be represented by the matrix A where
1 0
A= 4 3 .
3 5
The cost of a bag of sugar is 80 cents, the cost of a carton of milk is 50 cents and the cost of a
loaf of bread is 40 cents.
This information can be represented by the matrix B where
B = ( 80 50 40 ).
(a) Work out BA.
Answer (a) ..................................... [ 2]
(b) What does the matrix BA represent?
Answer (b) .................................................................................................................................
...................................................................................................................................................
...................................................................................................................................................
.............................................................................................................................................. [1]
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14 Ida keeps a record of time spent on the internet each day. For
Her results are summarised in the table. Examiner’s
Use
Time (t minutes) Frequency
0 t 10 4
10 t 30 20
30 t 60 39
60 t 100 32
100 t 120 6
On the axes below, draw a histogram to show these results.
1.8
1.6
1.4
1.2
Frequency
1.0
density
0.8
0.6
0.4
0.2
0
0 20 40 60 80 100 120
Time (t minutes)
[3]
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15 Ahmed goes shopping. For
Examiner’s
(a) In one shop he buys shorts for $26.84 and a shirt for $13.97. Use
How much does Ahmed spend altogether?
Answer (a) $ ................................... [ 1]
(b) In another shop he buys 15 postcards for 46 cents each.
(i) Calculate the total cost, in dollars, of the postcards.
Answer (b)(i) $ ............................... [ 1]
(ii) The rate of exchange between pounds (£) and dollars ($) was £1 = $2.50.
Calculate the total cost of the postcards in pounds.
Answer (b)(ii) £ .............................. [ 2]
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16 Dai played three games of cricket. For
His mean score was 9 runs. Examiner’s
His median score was 8 runs. Use
His highest score was 7 runs more than his lowest score.
(a) Find the number of runs he scored in each of the three games.
Answer (a) ........... , ........... , .......... [3]
(b) Dai batted in a fourth game.
The mean of his four scores was 11 runs.
Find the number of runs that Dai scored in the fourth game.
Answer (b) ..................................... [ 1]
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17 y is inversely proportional to x2. For
Some values of y and x are given in the table below. Examiner’s
Use
x 3 2 q
y 4 p 1
Find
(a) the formula for y in terms of x,
Answer (a) y = ............................... [ 2]
(b) the value of p,
Answer (b) p = ............................... [1]
(c) the two values of q.
Answer (c) q = ............... , ............. [1]
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18 For
Examiner’s
A B Use
135°
65°
E D C
In the diagram, AB is parallel to EC.
D is the point on EC such that ED = EA.
ˆ ˆ
ABC = 135° and ADE = 65°.
Find
ˆ
(a) AED,
ˆ
Answer (a) AED = .......................... [ 1]
ˆ
(b) DA B,
ˆ
Answer (b) DA B = ......................... [ 1]
ˆ
(c) BCD,
ˆ
Answer (c) BCD = .......................... [ 1]
ˆ
(d) reflex ABC.
ˆ
Answer (d) reflex ABC = ............... [1]
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19 Some data about two planets, Earth and Mars, is shown in the table. For
Examiner’s
Use
Average Mass Volume
Planet
temperature (°C) (tonnes) (km3)
Earth 15 5.98 × 1021 1.08 × 1012
Mars –63 6.58 × 1020 162 000 m illion
(a) How much greater is the average temperature on Earth than that on Mars?
Answer (a) .................................°C [ 1]
(b) Write down the volume of Mars in standard form.
Answer (b) .............................. km3 [1]
(c) Calculate the difference in mass between Earth and Mars.
Give your answer in standard form.
Answer (c) ...........................tonnes [ 2]
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20 For
Examiner’s
3 Use
A B
2 X
5
D C
In the diagram, AC and BD intersect at X.
Triangle ABX is similar to triangle CDX.
AB = 3 cm, AX = 2 cm and XC = 5 cm.
(a) Find the ratio of the area of triangle ABX to the area of triangle CDX.
Answer (a) .............. : ............ [1]
(b) Find the ratio of the area of triangle ABX to the area of triangle BCX.
Answer (b) .............. : ............ [1]
(c) Calculate CD.
Answer (c) ................................ cm [ 2]
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21 (a) Write down, in terms of n, an expression for the nth term of the sequence For
Examiner’s
19 16 13 10 ........... . Use
Answer (a) ..................................... [ 2]
(b) Factorise completely
(i) 4x2 – 25y2,
Answer (b)(i) .......................................... [1]
(ii) 5ax – 5a2 – 2x + 2a.
Answer (b)(ii) .......................................... [ 2]
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22 A walker leaves his house at 10 00 and walks towards a shopping centre at a constant For
speed of 5 km/h. Examiner’s
A cyclist leaves the same house 10 minutes later. Use
He travels along the same road at a constant speed of 20 km/h until he reaches the shopping
centre which is 6 km from the house.
The cyclist stops at the shopping centre for 14 minutes.
He then returns to the house along the same road at a constant speed of 20 km/h.
(a) The distance-time graph for the walker is drawn below.
On the same axes, draw the distance-time graph for the cyclist.
6
5
4
Distance
from
house 3
(km)
2
1
0
10 00 10 10 10 20 10 30 10 40 10 50 11 00 11 10
Time of day
[3]
(b) Using the graphs, find
(i) the time when the cyclist, on his return journey, meets the walker,
Answer (b)(i) ................................. [ 1]
(ii) the distance from the house when this meeting takes place.
Answer (b)(ii) ...........................km [ 1]
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23 A stone is thrown vertically upwards from the ground so that its height above the ground after For
t seconds is (20t – 5t 2) metres. Examiner’s
Use
(a) (i) Show that the values of t when the stone is 15 metres above the ground satisfy the
equation
t2 – 4t + 3 = 0.
[1]
(ii) Find the values of t when the stone is 15 metres above the ground.
Answer (a)(ii) t = .................. and .................. [2]
(b) Find the value of t when the stone hits the ground.
Answer (b) t = ............................... [2]
Question 24 is printed on the following page
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24 (a) Solve For
Examiner’s
(i) 5 – 2 (3x – 1) = 2x + 1, Use
Answer (a)(i) x = ........................... [ 2]
(ii) 2 = 3.
5t 4
Answer (a)(ii) t = .......................... [2]
(b) Solve the simultaneous equations
5x – 2y = 16,
2x – 3y = 13.
Answer (b) x = .....................................
y = ............................... [3]
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2010 Emath Paper1
- 1. UNIVERSITY OF CAMBRIDGE INTERNATIONAL EXAMINATIONS General Certificate of Education Ordinary Level *4478702973* MATHEMATICS (SYLLABUS D) 4024/11 Paper 1 May/June 2010 2 hours Candidates answer on the Question Paper. Additional Materials: Geometrical instruments READ THESE INSTRUCTIONS FIRST Write your Centre number, candidate number and name on all the work you hand in. Write in dark blue or black pen. You may use a pencil for any diagrams or graphs. Do not use staples, paper clips, highlighters, glue or correction fluid. DO NOT WRITE IN ANY BARCODES. Answer all questions. If working is needed for any question it must be shown in the space below that question. Omission of essential working will result in loss of marks. NEITHER ELECTRONIC CALCULATORS NOR MATHEMATICAL TABLES MAY BE USED IN THIS PAPER. The number of marks is given in brackets [ ] at the end of each question or part question. The total of the marks for this paper is 80. For Examiner’s Use This document consists of 20 printed pages. DC (LEO/CGW) 15629/3 © UCLES 2010 [Turn over www.XtremePapers.net
- 2. 2 NEITHER ELECTRONIC CALCULATORS NOR MATHEMATICAL TABLES For MAY BE USED IN THIS PAPER. Examiner’s Use 1 Evaluate (a) 1 + 2 , 2 9 Answer (a) ...................................... [1] (b) 2 ÷ 9 . 3 11 Answer (b) ...................................... [1] 2 (a) Evaluate 10 – 8 ÷ 2 + 3. Answer (a) ...................................... [1] (b) Find 20% of 60 cm. Answer (b) ................................ cm [ 1] © UCLES 2010 4024/11/M/J/10 www.XtremePapers.net
- 3. 3 3 Sara carries out a survey of the colours of cars in a car park. For She draws a pie chart to represent her results. Examiner’s Use (a) There are 7 red cars. The angle representing the red cars is 40º. Calculate the total number of cars in the car park. Answer (a) ...................................... [1] (b) Sara’s pie chart is a circle with circumference 28 cm. Find, in terms of π, the diameter of the circle. Answer (b) ................................ cm [ 1] 4 Ed goes on a car journey. The first 60 km of the journey takes 45 minutes. The remaining 20 km of the journey takes 30 minutes. Calculate his average speed, in kilometres per hour, for the whole journey. Answer ..................................km/h [2] © UCLES 2010 4024/11/M/J/10 [Turn over www.XtremePapers.net
- 4. 4 5 For North Examiner’s Use D A S C B The bearing of a lighthouse from a ship, S, is 220º. The position of S is marked on the diagram. (a) Which of the four points A, B, C or D is a possible position of the lighthouse? Answer (a) ..................................... [ 1] (b) Write down the bearing of S from the lighthouse. Answer (b) ..................................... [ 1] 6 (a) Solve 6x – 5 9 + 2x. Answer (a) ..................................... [ 1] (b) Write down the largest integer which satisfies the inequality 6x – 5 9 + 2x. Answer (b) ..................................... [ 1] © UCLES 2010 4024/11/M/J/10 www.XtremePapers.net
- 5. 5 7 Given that n is an integer and n 1, decide whether each statement in the table is true or false. For Examiner’s For each statement write true or false in the table. Use If you write false, give an example to justify your decision. Statement True or False Example (if false) n3 > 1 1> 1 n n2 (n – 1)(n + 3) is always odd [2] 8 (a) The ratio of Sayed’s age to his mother’s age is 2 : 7. Sayed is 14 years old. How old is his mother? Answer (a) .............................years [ 1] (b) The ratio of Fatima’s age to her father’s age is 3 : 8. The total of their ages is 66 years. How old is Fatima? Answer (b) .............................years [ 1] © UCLES 2010 4024/11/M/J/10 [Turn over www.XtremePapers.net
- 6. 6 9 For Examiner’s Use Pencils are packed in a box. Each pencil has a diameter of 7 mm, correct to the nearest millimetre. (a) Write down the lower bound of the diameter of a pencil. Answer (a) ...............................mm [ 1] (b) Find the smallest width of a box that can always hold 8 pencils side by side. Give your answer in centimetres. Answer (b) ................................ cm [ 2] 10 Evaluate (a) 0.2 × 0.06, Answer (a) ..................................... [ 1] (b) 3 ÷ 0.01, Answer (b) ..................................... [ 1] 1 (c) 27 3 . Answer (c) ..................................... [ 1] © UCLES 2010 4024/11/M/J/10 www.XtremePapers.net
- 7. 7 11 For Examiner’s Use D A B O C The diagram shows two circles, both with centre O. CD is a diameter of the small circle and AB is a diameter of the large circle. Using congruent triangles, show that BD = AC. State your reasons clearly. In triangles ................... and ................... ........................................................................................................................................................... ........................................................................................................................................................... ........................................................................................................................................................... ........................................................................................................................................................... ........................................................................................................................................................... ........................................................................................................................................................... ........................................................................................................................................................... ........................................................................................................................................................... ........................................................................................................................................................... ........................................................................................................................................................... ...................................................................................................................................................... [3] © UCLES 2010 4024/11/M/J/10 [Turn over www.XtremePapers.net
- 8. 8 12 For Examiner’s Use y 8 B 7 6 A 5 R 4 D C 3 2 1 0 x 0 1 2 3 4 5 6 In the diagram, the region, R, is bounded by the lines AB, BC, CD and DA. (a) Write down the coordinates of the midpoint of AB. Answer (a) (........... , ........... ) [1] (b) Region R is defined by four inequalities. One of these is y x + 5. Write down the other three inequalities. Answer (b) ........................................... ........................................... ..................................... [ 2] © UCLES 2010 4024/11/M/J/10 www.XtremePapers.net
- 9. 9 13 Two families ordered three basic food items from their local shop. For The Jones family ordered 1 bag of sugar, 4 cartons of milk and 3 loaves of bread. Examiner’s The Singh family ordered no sugar, 3 cartons of milk and 5 loaves of bread. Use Their orders can be represented by the matrix A where 1 0 A= 4 3 . 3 5 The cost of a bag of sugar is 80 cents, the cost of a carton of milk is 50 cents and the cost of a loaf of bread is 40 cents. This information can be represented by the matrix B where B = ( 80 50 40 ). (a) Work out BA. Answer (a) ..................................... [ 2] (b) What does the matrix BA represent? Answer (b) ................................................................................................................................. ................................................................................................................................................... ................................................................................................................................................... .............................................................................................................................................. [1] © UCLES 2010 4024/11/M/J/10 [Turn over www.XtremePapers.net
- 10. 10 14 Ida keeps a record of time spent on the internet each day. For Her results are summarised in the table. Examiner’s Use Time (t minutes) Frequency 0 t 10 4 10 t 30 20 30 t 60 39 60 t 100 32 100 t 120 6 On the axes below, draw a histogram to show these results. 1.8 1.6 1.4 1.2 Frequency 1.0 density 0.8 0.6 0.4 0.2 0 0 20 40 60 80 100 120 Time (t minutes) [3] © UCLES 2010 4024/11/M/J/10 www.XtremePapers.net
- 11. 11 15 Ahmed goes shopping. For Examiner’s (a) In one shop he buys shorts for $26.84 and a shirt for $13.97. Use How much does Ahmed spend altogether? Answer (a) $ ................................... [ 1] (b) In another shop he buys 15 postcards for 46 cents each. (i) Calculate the total cost, in dollars, of the postcards. Answer (b)(i) $ ............................... [ 1] (ii) The rate of exchange between pounds (£) and dollars ($) was £1 = $2.50. Calculate the total cost of the postcards in pounds. Answer (b)(ii) £ .............................. [ 2] © UCLES 2010 4024/11/M/J/10 [Turn over www.XtremePapers.net
- 12. 12 16 Dai played three games of cricket. For His mean score was 9 runs. Examiner’s His median score was 8 runs. Use His highest score was 7 runs more than his lowest score. (a) Find the number of runs he scored in each of the three games. Answer (a) ........... , ........... , .......... [3] (b) Dai batted in a fourth game. The mean of his four scores was 11 runs. Find the number of runs that Dai scored in the fourth game. Answer (b) ..................................... [ 1] © UCLES 2010 4024/11/M/J/10 www.XtremePapers.net
- 13. 13 17 y is inversely proportional to x2. For Some values of y and x are given in the table below. Examiner’s Use x 3 2 q y 4 p 1 Find (a) the formula for y in terms of x, Answer (a) y = ............................... [ 2] (b) the value of p, Answer (b) p = ............................... [1] (c) the two values of q. Answer (c) q = ............... , ............. [1] © UCLES 2010 4024/11/M/J/10 [Turn over www.XtremePapers.net
- 14. 14 18 For Examiner’s A B Use 135° 65° E D C In the diagram, AB is parallel to EC. D is the point on EC such that ED = EA. ˆ ˆ ABC = 135° and ADE = 65°. Find ˆ (a) AED, ˆ Answer (a) AED = .......................... [ 1] ˆ (b) DA B, ˆ Answer (b) DA B = ......................... [ 1] ˆ (c) BCD, ˆ Answer (c) BCD = .......................... [ 1] ˆ (d) reflex ABC. ˆ Answer (d) reflex ABC = ............... [1] © UCLES 2010 4024/11/M/J/10 www.XtremePapers.net
- 15. 15 19 Some data about two planets, Earth and Mars, is shown in the table. For Examiner’s Use Average Mass Volume Planet temperature (°C) (tonnes) (km3) Earth 15 5.98 × 1021 1.08 × 1012 Mars –63 6.58 × 1020 162 000 m illion (a) How much greater is the average temperature on Earth than that on Mars? Answer (a) .................................°C [ 1] (b) Write down the volume of Mars in standard form. Answer (b) .............................. km3 [1] (c) Calculate the difference in mass between Earth and Mars. Give your answer in standard form. Answer (c) ...........................tonnes [ 2] © UCLES 2010 4024/11/M/J/10 [Turn over www.XtremePapers.net
- 16. 16 20 For Examiner’s 3 Use A B 2 X 5 D C In the diagram, AC and BD intersect at X. Triangle ABX is similar to triangle CDX. AB = 3 cm, AX = 2 cm and XC = 5 cm. (a) Find the ratio of the area of triangle ABX to the area of triangle CDX. Answer (a) .............. : ............ [1] (b) Find the ratio of the area of triangle ABX to the area of triangle BCX. Answer (b) .............. : ............ [1] (c) Calculate CD. Answer (c) ................................ cm [ 2] © UCLES 2010 4024/11/M/J/10 www.XtremePapers.net
- 17. 17 21 (a) Write down, in terms of n, an expression for the nth term of the sequence For Examiner’s 19 16 13 10 ........... . Use Answer (a) ..................................... [ 2] (b) Factorise completely (i) 4x2 – 25y2, Answer (b)(i) .......................................... [1] (ii) 5ax – 5a2 – 2x + 2a. Answer (b)(ii) .......................................... [ 2] © UCLES 2010 4024/11/M/J/10 [Turn over www.XtremePapers.net
- 18. 18 22 A walker leaves his house at 10 00 and walks towards a shopping centre at a constant For speed of 5 km/h. Examiner’s A cyclist leaves the same house 10 minutes later. Use He travels along the same road at a constant speed of 20 km/h until he reaches the shopping centre which is 6 km from the house. The cyclist stops at the shopping centre for 14 minutes. He then returns to the house along the same road at a constant speed of 20 km/h. (a) The distance-time graph for the walker is drawn below. On the same axes, draw the distance-time graph for the cyclist. 6 5 4 Distance from house 3 (km) 2 1 0 10 00 10 10 10 20 10 30 10 40 10 50 11 00 11 10 Time of day [3] (b) Using the graphs, find (i) the time when the cyclist, on his return journey, meets the walker, Answer (b)(i) ................................. [ 1] (ii) the distance from the house when this meeting takes place. Answer (b)(ii) ...........................km [ 1] © UCLES 2010 4024/11/M/J/10 www.XtremePapers.net
- 19. 19 23 A stone is thrown vertically upwards from the ground so that its height above the ground after For t seconds is (20t – 5t 2) metres. Examiner’s Use (a) (i) Show that the values of t when the stone is 15 metres above the ground satisfy the equation t2 – 4t + 3 = 0. [1] (ii) Find the values of t when the stone is 15 metres above the ground. Answer (a)(ii) t = .................. and .................. [2] (b) Find the value of t when the stone hits the ground. Answer (b) t = ............................... [2] Question 24 is printed on the following page © UCLES 2010 4024/11/M/J/10 [Turn over www.XtremePapers.net
- 20. 20 24 (a) Solve For Examiner’s (i) 5 – 2 (3x – 1) = 2x + 1, Use Answer (a)(i) x = ........................... [ 2] (ii) 2 = 3. 5t 4 Answer (a)(ii) t = .......................... [2] (b) Solve the simultaneous equations 5x – 2y = 16, 2x – 3y = 13. Answer (b) x = ..................................... y = ............................... [3] Permission to reproduce items where third-party owned material protected by copyright is included has been sought and cleared where possible. Every reasonable effort has been made by the publisher (UCLES) to trace copyright holders, but if any items requiring clearance have unwittingly been included, the publisher will be pleased to make amends at the earliest possible opportunity. University of Cambridge International Examinations is part of the Cambridge Assessment Group. Cambridge Assessment is the brand name of University of Cambridge Local Examinations Syndicate (UCLES), which is itself a department of the University of Cambridge. © UCLES 2010 4024/11/M/J/10 www.XtremePapers.net