document.write( "Question 49864: on a road map with a scale of 1/4 inch per 10 miles, the highway from Waukee to Winterset is 1 3/8 inches long. How may miles long is this highway?
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Algebra.Com's Answer #33122 by AnlytcPhil(1806)\"\" \"About 
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on a road map with a scale of 1/4 inch per 10 miles, \r\n" );
document.write( "the highway from Waukee to Winterset is 1 3/8 inches \r\n" );
document.write( "long. How may miles long is this highway? thank you \r\n" );
document.write( "very much for helping me i have tried but i have \r\n" );
document.write( "forgoten how to work out this problem.\r\n" );
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document.write( "(1/4 in) is to (10 miles) as (1 3/8 in) is to (x miles)\r\n" );
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document.write( "Replace the \"is to\"'s by \" / \" and \"as\" by \" = \"\r\n" );
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document.write( "(1/4 in)/(10 miles) = (1 3/8 in)/(x miles)\r\n" );
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document.write( "Erase the units:\r\n" );
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document.write( "         (1/4)/(10) = (1 3/8)/(x)\r\n" );
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document.write( "Cross multiply\r\n" );
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document.write( "           (1/4)(x) = (10)(1 3/8)\r\n" );
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document.write( "Change 1 3/8 to  11/8\r\n" );
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document.write( "           (1/4)(x) = (10)(11/8)\r\n" );
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document.write( "                x/4 = 55/4\r\n" );
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document.write( "                  x = 55\r\n" );
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document.write( "Answer 55 miles\r\n" );
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document.write( "Edwin
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