document.write( "Question 1125921: A kayak moves at a rate of 12 miles per hour in still water. If the river’s current flows at rate of 4 miles per hour, how long does it take the boat to travel 36 miles upstream? \n" ); document.write( "

Algebra.Com's Answer #742260 by ikleyn(52777) $\"\"$ $\"About$

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document.write( "The effective rate of kayak paddled upstream is 12- 4 = 8 miles per hour.\r\n" );
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document.write( "The time to travel 36 miles upstream will be   = 4.5 hours.\r\n" );
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