SOLUTION: Jojo set out on a bike. After walking for sometime at 5 kph, he caught a ride back home in a truck that traveled at 20 kph. If the round trip took 10 hours, how far did he walk

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Question 1146163: Jojo set out on a bike. After walking for sometime at 5 kph, he caught a ride back home in a truck that traveled at 20 kph. If the round trip took 10 hours, how far did he walk
Found 2 solutions by josgarithmetic, greenestamps:
Answer by josgarithmetic(39615)   (Show Source): You can put this solution on YOUR website!
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Jojo set out on a bike. After walking for sometime at 5 kph, he caught a ride back home in a truck that traveled at 20 kph. If the round trip took 10 hours,
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Jojo never rode the bike for this trip?

Answer by greenestamps(13198)   (Show Source): You can put this solution on YOUR website!


Ignoring the nonsensical statement of the problem, the ratio of speeds going and returning is 5:20, or 1:4.

Since the distances are the same, the ratio of times at the two speeds is 4:1.

Since the total time was 10 hours, that means 8 hours going and 2 hours returning.

The distance he went each direction is 8*5 = 40km, or 2*20 = 40km.

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