A boat covers 12 km .upstream and 18 km downstream in 3 hours while it covers 36km upstream and 24 km downstream in 13/2 hr ,what is the velocity of streams?
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let the velocity of the still water and.the stream be x and y respectively.
equation 1:12/x-y+18/x+y=3
and the equation 2: 24/x+y+36/x-y=13/2
now I hope you can proceed further
equation 1:12/x-y+18/x+y=3
and the equation 2: 24/x+y+36/x-y=13/2
now I hope you can proceed further
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