Question

You earn $42 for washing 6 cars. How much do you earn for washing 3 cars? Find the unit rate.

Answer 1

21 ( unit rate is 7$ per car)

Explanation:

First you divide 42 by 6 which equals 7

and then you do 7x3 which equals 21

Answer 2

21$

Explanation:

42÷6=7

7×3=21