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omermennanguler
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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
 2 years ago
 2 years ago
omermennanguler Group Title
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
 2 years ago
 2 years ago

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shubham Group TitleBest ResponseYou've already chosen the best response.1
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/(xy) hrs. = 5 hrs. Two variables two equations solve them and get the answers
 2 years ago

omermennanguler Group TitleBest ResponseYou've already chosen the best response.0
the answer is 2 and 5 right ?
 2 years ago

omermennanguler Group TitleBest ResponseYou've already chosen the best response.0
i can not find the answer
 2 years ago

omermennanguler Group TitleBest ResponseYou've already chosen the best response.0
and i m on exam so can somebody help me
 2 years ago
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