<PRE><B>Question 1008544</B>
Kate can row a boat 12 miles per hour in still water. 
in a river where the current is 6 miler per hour, 
it takes her 5 hour longer to row a given distance upstream than to travel the same distance downstream.
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Find how long it takes her to row upstream, how long to row downstream, and how many miles she rows. 
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Upstream DATA:
rate = 12-6 = 6 mph ; distance = x miles ; time = x/6 mph
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Downstream DATA:
rate = 12 + 6 = 18 mph ; distance = x miles ; time = x/18 mph
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Equation:
x/6 + x/18 = 5 hrs
3x + x = 90
4x = 90
x = 22.5 miles (distance)
time upstream = 22.5/6 = 3 3/4 hours
time downstream = 22.5/18 = 1 1/4 hours
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Cheers,
Stan H.
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