This worksheet contains 4 problems involving rational algebraic expressions: 1) Finding the length of a rectangular garden given its area of 25 sqm and a width of 5m. 2) Determining the dimensions of a rectangle with an area of 24 sqm. 3) Calculating how long it would take Ira alone to paint a house given that Jays and Ira together can do it in 4 hours and it takes Jays 8 hours alone. 4) Finding the rates of an express train that travels 100km in the same time as a freight train that goes 50km, if the express train is 20km/hr faster.