SOLUTION: Laverne's Mercruiser travels 2 km/h in still water. she motors 140km downstream in the same time it takes to go 1km upstream. What is the speed of the river?
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Question 43353: Laverne's Mercruiser travels 2 km/h in still water. she motors 140km downstream in the same time it takes to go 1km upstream. What is the speed of the river?
having trouble setting it up Answer by Paul(988) (Show Source):
You can put this solution on YOUR website! Let x be the speed of the current
EQUATION:
2+x=140(2-x)
2+x=280-140x
141x=278
x=1.9
Hence, the speed of the current is 1.9km
Paul.
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