a Boat covers 32 km upstream and 36 km downstream in 7 hours after it covers 40 km upstream and 48 km downstream in 5 hours find the speed of boat in still water and that of steam
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let
x is bot speed
y is streams speed
7(x+y)=36
7(x-y)=32
x+y=36/7
x-y=32/7
2x=68/7
x=34/7
x is bot speed
y is streams speed
7(x+y)=36
7(x-y)=32
x+y=36/7
x-y=32/7
2x=68/7
x=34/7
sourav3211:
it is wrong
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