document.write( "Question 967521: I rode my cycle 20 mph one way and returned at 25 mph. The round trip took 1 hour 48 minutes. How many miles did I ride one way. \n" ); document.write( "
Algebra.Com's Answer #591306 by Edwin McCravy(20067)\"\" \"About 
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document.write( "48 minutes = 48/60 = 0.8 hours, so 1 hour 48 minutes = 1.8 hours.\r\n" );
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document.write( "Make this chart:\r\n" );
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document.write( "             Distance  |  Rate   |  Time\r\n" );
document.write( "Going     |     x      |   20    |  x/20\r\n" );
document.write( "Returning |     x      |   25    |  x/25\r\n" );
document.write( "Total     |            |         |   1.8\r\n" );
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document.write( "x/20 + x/25 = 1.8\r\n" );
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document.write( "Multiply through by lcd = 100\r\n" );
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document.write( "    5x + 4x = 180\r\n" );
document.write( "         9x = 180\r\n" );
document.write( "          x = 20 miles each way\r\n" );
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document.write( "Edwin

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