Question

Michelle biked 21 miles in 4 hours.

Part A: What is Michelle's average speed in miles per hour?



Michelle’s average speed it __ miles per hour.



Part B: At the same rate, how many hours will it take Michelle to bike 42 miles?

It will take Michelle __ hours to bike 42 miles

Answer 1

Part A: 5.25
Average speed is 5.25 mi per hr

Part B: 8 hrs because
42 divided by 5.25 is 8