document.write( "Question 287905: Jan and Tariq took a canoeing trip, traveling 6 mi upstream against a 2 mi/h current. They then returned to the same point downstream. If their entire trip took 4 h, how fast can they paddle in still water? [Hint: If r is their rate (in miles per hour) in still water, their rate upstream is r - 2 and their rate downstream is r + 2.]\r
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Algebra.Com's Answer #854240 by josgarithmetic(39799) $\"\"$ $\"About$

You can put this solution on YOUR website!

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document.write( "           SPEED           TIME            DISTANCE\r\n" );
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document.write( "UP          r-2            6/(r-2)            6\r\n" );
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document.write( "DOWN        r+2            6/(r+2)            6\r\n" );
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document.write( "TOTAL                          4\r\n" );
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