document.write( "Question 1022752: If 15 men complete a work in 20 days then 25 men will
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Algebra.Com's Answer #638386 by AnlytcPhil(1806)\"\" \"About 
You can put this solution on YOUR website!
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document.write( "Here is the way your teacher most probably wants you to\r\n" );
document.write( "solve it:\r\n" );
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document.write( "The number of workers and the number of days required\r\n" );
document.write( "are inversely proportional (one increases if the other\r\n" );
document.write( "decreases), so we set up the proportions in reverse\r\n" );
document.write( "order:\r\n" );
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document.write( "\"%22%22=%22%22\"\r\n" );
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document.write( "Let the number of days the SECOND time be N\r\n" );
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document.write( "\"15%2F25\"\"%22%22=%22%22\"\"N%2F20\"\r\n" );
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document.write( "Cross-multiply:\r\n" );
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document.write( "\"25N\"\"%22%22=%22%22\"\"300\"\r\n" );
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document.write( "Divide both sides by 25\r\n" );
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document.write( "\"N\"\"%22%22=%22%22\"\"300%2F25\"\r\n" );
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document.write( "\"N\"\"%22%22=%22%22\"\"12\"\r\n" );
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document.write( "So it will take 12 days.\r\n" );
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document.write( "Edwin
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