Math, asked by yedshj, 1 year ago

a boat goes 15 km upstream and 45 km downstream in 3 hours.It goes 20 km downstream and 10 km upstream in 90 minutes.find the speed of the boat in still water and also the speed of stream.




Answers

Answered by Anonymous
1
your answer is 45km/h
 it may be helpful for u
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