SOLUTION: A person walks to the top of a mountain at the rate of 3.0 km/h and down the same way at the rate of 6.0 km/h. If he walks for a total of 9.0 h, how far is it to the top?

Question 805444: A person walks to the top of a mountain at the rate of 3.0 km/h and down the same way at the rate of 6.0 km/h. If he walks for a total of 9.0 h, how far is it to the top?
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
A person walks to the top of a mountain at the rate of 3.0 km/h and down the same way at the rate of 6.0 km/h. If he walks for a total of 9.0 h, how far is it to the top?
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Avg speed for the round trip = 2*3*6/(3+6)
= 4 km/hr
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d = r*t = 4*9 = 36 km RT
= 18 km each way

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