document.write( "Question 1128194: Kelly earns $36 for 3 hours of work. At that rate, how long will she have to
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Algebra.Com's Answer #744685 by Edwin McCravy(20059) $\"\"$ $\"About$

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Kelly earns $36 for 3 hours of work. At that rate, how long will she have to
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document.write( "$36 IS TO 3 hours AS $720 IS TO X hours.\r\n" );
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document.write( "\"IS TO\" means \"OVER\".  \"AS\" means \"EQUALS\"\r\n" );
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document.write( "$36 OVER 3 hours EQUALS $720 OVER X hours.\r\n" );
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document.write( "CROSS MULTIPLY, that is, \r\n" );
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document.write( "\"UPPER LEFT times LOWER RIGHT equals UPPER RIGHT times LOWER LEFT\":\r\n" );
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document.write( "Divide both sides by $36\r\n" );
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document.write( "Answer: 60 hours\r\n" );
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document.write( "Edwin

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