Mathematics

Danny in his motorboat,took 3 hours to make a downstream trip with a current of 6 kph. The return trip upstream took 5 hours. What is the speed of the boat in still water?
What is the total travelled?

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  1. since distance = speed * time,
    3(x+6) = 5(x-6)
    Now just find x to get the speed.

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    oobleck

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