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Took a crew 1 h 45 min to row 6 km upstream&back. If the rate of flow of stream was 1 km/h,what was rowing speed of the crew in still water?

Science & Mathematics by Anonymous 2018-05-18 13:09:46

Social Science

Took a crew 1 h 45 min to row 6 km upstream&back. If the rate of flow of stream was 1 km/h,what was rowing speed of the crew in still water?

1 answer

  • Anonymous

    If they rowed 6 km upstream and back, the 1 kph flow of the stream is cancelled out. You just have to work out the speed based on 1.75 hours and 6 km + 6 km = 12 km Speed = 12/1.75 = 6.8 kph

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