Math, asked by bhaveshgourabathini, 11 months ago

A motor boat can travel 30 km upstream and 28km down stream in 7 hours. It can travel 21km up stream and return in 5 hours

Answers

Answered by Anonymous
2

what we have to find

take upstream in negative just like30/x-y

downstream in positive 28/x+y

sorry I can't help more then that because ur question is incomplete

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