Question

What’s the untit rate for 400 miles on 20 gallons

Answer 1

20 miles per gallon

Explanation:

We want a unit rate where

1 is in the denominator

so we divide top and bottom by 20

`(400 miles/20)/(20 gallons/20)` =
`(20 miles)/(1 gallon)` = 20 miles a gallon