4 ESO Academics - Unit 04 - Exercises 4.4.4 - Problems

UNIT 04 January
1. Calculates three consecutive numbers knowing that the sum of the half of the
first, plus the third part of the second, plus the fourth part of the third is equal to
the sum of the smallest plus three.
2. Find a number of two figures knowing that between them the difference is one
and the sum is seven.
3. After spending 30% of the salary on food, Marcos spent 20% on clothing and
footwear, leaving 800 €. Calculate Marcos' salary.
Axel Cotón Gutiérrez Mathematics 4º ESO Exercises – 4.4.3.1

UNIT 04 January
4. In a certain store, a box of chocolates costs four times a cake. How much a cake
cost if three boxes of chocolates and two cakes cost € 21?
5. On May, a flower shop has sold 250 bouquets of type A flowers and 140
bouquets of type B flowers for 7700 euros. What is the price of each type of
bouquets if the price of the type B bouquet is five sixths of the price of the type
A bouquet?

UNIT 04 January
6. Carlos is between 6 and 10 years old, Javier is 4 years younger than Carlos and
Maria 6 years older than Javier. Determine the intervals in which are the ages of
Javier and Maria.
7. Find the values between which is the measurement of the side of the squares of
area smaller than 625 m2
.

4 ESO Academics - Unit 04 - Exercises 4.4.4 - Problems

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4 ESO Academics - Unit 04 - Exercises 4.4.4 - Problems