Question

Part A: Chad drove 168 miles in 3 hours. How many miles per hour did Chad drive = 56 miles per hour
Part B: Chad will drive 672 more miles. He continues to drive at the same rate. How many hours will it take Chad to drive the 672 miles? = ? hours

Answer 1

He is driving at 56 miles per hour. 
so 672 miles ÷ 56 miles per hour.