Question

Gianna can wash 6 cars in 2 hours. At this rate, how many cars can Gianna wash in 5 hours? Help!

Answer 1

6/2= 3
2/2= 1
3 cars/hr
3 x 5 = 15
Gianna can was 15 cars in 5 hours

Answer 2

Gianna washes 15 cars in 5 hours

Explanation:

6 cars = 2 hours

? cars = 5 hours

Cross Multiply:

6(5) = 2x

30 = 2x

x = 15