SOLUTION: Suppose you hike up a hill at 4km/h. You hike back down at 6km/h. Your hiking trip took 3 hours. How long was your trip up the hill?

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Question 469330: Suppose you hike up a hill at 4km/h. You hike back down at 6km/h. Your hiking trip took 3 hours. How long was your trip up the hill?
Answer by jorel1380(3719) About Me  (Show Source):
You can put this solution on YOUR website!
n/4+n/6=3
3n+2n=36
5n=36
n=36/5 kilometers each way..