X

Jim began a 219-mile bicycle trip to build up stamina for a triathlon

competition. Unfortunately, his bicycle chain broke, so he finished the

trip walking. The whole trip took 8 hours. If Jim walks at a rate of 4

miles per hour and rides at 38 miles per hour, find the amount of time

he spent on the bicycle.

Question

Kody Griffith

Mathematics

21 August, 14:23

X

Jim began a 219-mile bicycle trip to build up stamina for a triathlon

competition. Unfortunately, his bicycle chain broke, so he finished the

trip walking. The whole trip took 8 hours. If Jim walks at a rate of 4

miles per hour and rides at 38 miles per hour, find the amount of time

he spent on the bicycle.

+1

Answers (1)

Know the Answer?

Amanda Klein · Answer 1

The total is 219 miles.

He rides at 38 mph and walks at 4 mph for 8 hours. If he rides for h hours, he walks for 8-h hours.

Set them equal to each other:

219=38h+4 (8-h)

Solve and you should get 5.5 hours on the bicycle and 2.5 hours walking.