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A boat can travel 36 km upstream in 5 hours the speed of the stream is 2.4 kmph, how much time will the boat take to cover a distance of 78 km downstream? (in hours) |
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Answer» speed of STREAM = X- UPSTREAM speed 2.4= X - 7.2 X = 9.6kmph speed = Distance/ time time = 78 km /9.6 KMPH time= 8.125 hours |
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