SOLUTION: Jim began a 144-mile bicycle trip to build up stamina for a triathlete competition. Unfortunately, his bicycle chain broke, so he finished the trip walking. The whole trip
Algebra.Com
Question 1157187: Jim began a 144-mile bicycle trip to build up stamina for a triathlete competition. Unfortunately, his bicycle chain broke, so he finished the trip walking. The whole trip took 6 hours. If Jim walks at a rate of 3 miles per hour and rides at 31 miles per hour, find the amount of time he spent on the bicycle.
Answer by Boreal(15235) (Show Source): You can put this solution on YOUR website!
x hours on the bike for distance 31x miles.
6-x hours walking for distance 3(6-x) miles or 18-3x
those two, 31x and 18-3x, add to 144 miles
28x=126 miles. units are m/h*h=m
x=4.5 hours on the bike for 139.5 miles
6-x=1.5 hours walking for 4.5 miles
RELATED QUESTIONS
Jim began a 171-mile bicycle trip to build up stamina for a triathlete competition.... (answered by TimothyLamb,josmiceli)
Jim Williamson began a 96-mile bicycle trip to build up stamina for a triathlete... (answered by josmiceli)
Jim began a 237-mile bicycle trip to build up stamina for a triathlete... (answered by josgarithmetic,MathTherapy)
Jim began a 121-mile bicycle trip to build up stamina for a triathlete competition. (answered by ikleyn)
Jim began a 192-mile bicycle trip to build up stamina for a triathlete competition. (answered by ankor@dixie-net.com,josgarithmetic)
Jim began 248 -mile bicycle trip to build up stamina for a triathlete competition.... (answered by Alan3354)
Jim began a 137-mile bicycle trip to build up stamina for a triathlete competition. (answered by josgarithmetic)
Jim began a 206-mile bicycle trip to build up stamina for a triathlete competition. (answered by Theo,MathTherapy)
im began a 240-mile bicycle trip to build up stamina for a triathlete competition.... (answered by ankor@dixie-net.com)