SOLUTION: A man rows a boat 500 feet upstream against a constant current in 10 minutes. He the rows 300 feet downstream (with the same current) in 5 minutes. Find the speed of the current an

Question 821131: A man rows a boat 500 feet upstream against a constant current in 10 minutes. He the rows 300 feet downstream (with the same current) in 5 minutes. Find the speed of the current and the equivalent rate at which he can row in still water.
Answer by TimothyLamb(4379) (Show Source): You can put this solution on YOUR website!
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s = d / t
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up:
x - y = 500/10
x - y = 50
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down:
x + y = 300/5
x + y = 60
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x - y = 50
x + y = 60
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x= 55
y= 5
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answer:
boat speed = 55 ft/min = 55 ft/min * (1/5280 mile/ft) * (60 min/hr) = 0.625 mph
water speed = 5 ft/min = 5 ft/min * (1/5280 mile/ft) * (60 min/hr) = 0.0568 mph
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