Question

Tony rollerbladed 4 miles in 20 minutes. What was his

Show your work.
Tony's speed was
miles per hour.

Answer 1

12 miles per hour.

In one hour there are three 20 minutes. so 4*3 = 12 miles

Explanation:

`(4)/(20)=(x)/(60)\\\\(4*3)/(20*3)=(x)/(60)\\\\ (12)/(60)=(x)/(60)`