Math, asked by Anonymous, 11 months ago

A motor boat whose speed is 15 km/hr. In still water takes 4 hours 30 minutes
to go 30 km upstream than to return downstream to the same spot. Find the
speed of the stream.

Answers

Answered by ishanji
4

Answer:

let the speed of stream be x km/h

speed downstream =(15+X)km/h

speed upstream =(15-X)km/h

therefore 30/15+x + 30/15-x =4½

900/225-x² =9/2

9x²=225

x²=25

x=5km/h

Hope this helps

Answered by darshans52
3

the speed of stream was 5 km/hr

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