A boat covers 14 kms in upstream and 20 kms downstream in 7 hours. Also it covers 22 kms upstream and 34 kms downstream in 10 hours. Find the speed of the boat in still water and of that the stream.
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Step-by-step explanation:
[(x-14)+(y+20)]/7=[(x-22)+(y+34)]/10
10(x+y+6)=7(x+y+12)
3(x+y)=24
x+y=8km/hr
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