Question

Ava wants to figure out the average speed she is driving. She starts checking her car’s clock at mile marker 0. It takes her 4 minutes to reach mile marker 3. When she reaches mile marker 6, she notes that 8 minutes total have passed since mile marker 0.

What is Ava’s speed in miles per hour?

Answer 1

0.75 miles per minute

Explanation:

Answer 2

45 mph

Explanation:

Find the unit rate (i. e., the speed):

6 mi 60 min

--------- * ------------- = (3/4)(60) mph = 45 mph

8 min 1 hr