SOLUTION: Jim hiked up a mountain trail and camped overnight at the top. The next day he returned down the same trail. His average rate traveling uphill was 2.4 kilometers per hour and his a

Algebra ->  Customizable Word Problem Solvers  -> Travel -> SOLUTION: Jim hiked up a mountain trail and camped overnight at the top. The next day he returned down the same trail. His average rate traveling uphill was 2.4 kilometers per hour and his a      Log On

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Question 399823: Jim hiked up a mountain trail and camped overnight at the top. The next day he returned down the same trail. His average rate traveling uphill was 2.4 kilometers per hour and his average rate downhill was 3.6 kilometers per hour. If he spent a total of 15 hours hiking, how long was the trail?
Answer by scott8148(6628) About Me  (Show Source):
You can put this solution on YOUR website!
t = d / r ___ the total time is 15 hr

(d / 2.4) + (d / 3.6) = 15