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omermennanguler

  • 2 years ago

a boats crew rowed 20 miles downstream , with the current , in 2 hours. the return trip upstream , against the current , covered the same distance , but took 5 hours. the crew rowing rate in still water is ? miles per hour the rate of the current is ? miles per hour

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  1. shubham
    • 2 years ago
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    Let the crew's rowing rate in still water be x miles per hour and that of stream be y mps. Then, time taken by crew rowing upstream = 20/(x+y) hrs. = 2 hrs. and time taken to row downstream = 20/(x-y) hrs. = 5 hrs. Two variables two equations solve them and get the answers

  2. omermennanguler
    • 2 years ago
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    the answer is 2 and 5 right ?

  3. omermennanguler
    • 2 years ago
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    i can not find the answer

  4. omermennanguler
    • 2 years ago
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    and i m on exam so can somebody help me

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