SOLUTION: the speed of a boat in still water is 8 km/hr .if it takes same time in going 20 km downstream as it takes in going 12 km upstream ,find the speed of water
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Question 889416: the speed of a boat in still water is 8 km/hr .if it takes same time in going 20 km downstream as it takes in going 12 km upstream ,find the speed of water Answer by lwsshak3(11628) (Show Source):
You can put this solution on YOUR website! the speed of a boat in still water is 8 km/hr .if it takes same time in going 20 km downstream as it takes in going 12 km upstream ,find the speed of water.
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let c=speed of water
(8+c)=speed of boat downstream
(8-c)=speed of boat upstream
Travel time=distance/speed
..
96+12c=160-20c
32c=64
c=2
speed of water=2 km/hr
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