Answer: 2 miles per hour
Step-by-step explanation: This is a fraction equal to
6 miles ÷ 3 hours
We want a unit rate where
1 is in the denominator,
so we divide top and bottom by 3
6 miles ÷ 3
3 hours ÷ 3
=
2 miles
1 hour
=
2 miles
hour
= 2 miles per hour