document.write( "Question 1087708: A bicyclist rides his bicycle 12 miles up a hill and then comes back down. His speed coming downhill is 12 miles per hour faster than going uphill. The round trip takes 1 hour and 30 minutes (= 3/2 hours). What was the speed of the bicyclist going uphill? \n" ); document.write( "

Algebra.Com's Answer #702004 by ikleyn(52797) $\"\"$ $\"About$

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\n" ); document.write( "Answer. The speed of the bicyclist going uphill is 12 mph.\r
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document.write( "Let u be the speed of the bicyclist going uphill, in mph.\r\n" );
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document.write( "Then  the speed of the bicyclist going downhill is (u+12) mph.\r\n" );
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document.write( "Your \"time equation\" for the round trip is\r\n" );
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document.write( " =   hours.\r\n" );
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document.write( "Solve for u and get the answer.\r\n" );
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