18 people in 6 cars
Unit rate

This is a fraction equal to

18 people÷ 6 cars

We want a unit rate where

1 is in the denominator,

so we divide top and bottom by 6

18 people ÷ 6

6  cars ÷ 6

= 3people/1

3 people per car

true

explanation:

step-by-step explanation:

the multiplicative inverse of a fraction a/b is b/a. for the multiplicative inverse of a real number, divide 1 by the number. for example, the reciprocal of 5 is one fifth 1/5 or 0.2, and the reciprocal of 0.25 is 1 divided by 0.25, or 4.