Section: Mathematics Usage

28) Sara has some oranges. She sold 40% more than she ate. If she sold 70 oranges, how many did she eat?

1. 25
2. 50
3. 75
4. 100
5. None of the above.

Let x = the number of oranges that Sara ate. Thus x + .4x = 1.4x is the number of oranges that Sara sold. Thus 1.4x = 70/1.4 = 50.