SOLUTION: As part of an exercise regimen you walk 2 miles on an indoor track. Then you jog at twice your walking speed for another 2 miles. If the total time spent walking and jogging is 3 h

Algebra ->  Average -> SOLUTION: As part of an exercise regimen you walk 2 miles on an indoor track. Then you jog at twice your walking speed for another 2 miles. If the total time spent walking and jogging is 3 h      Log On


   

Question 1083186: As part of an exercise regimen you walk 2 miles on an indoor track. Then you jog at twice your walking speed for another 2 miles. If the total time spent walking and jogging is 3 hours, find the walking and jogging rates.
Answer by josgarithmetic(39630) About Me  (Show Source):
You can put this solution on YOUR website!
           SPEED       TIME       DISTANCE
WALK         r          2/r          2
JOG          2r         2/(2r)       2
Total                    3

2%2Fr%2B2%2F%282r%29=3
Solve this equation for r, the walking speed.