document.write( "Question 1090806: A man is four times old as his son. The difference
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Algebra.Com's Answer #705258 by Edwin McCravy(20056)\"\" \"About 
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document.write( "M = 4S\r\n" );
document.write( "M-S = 36\r\n" );
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document.write( "4S-S = 36\r\n" );
document.write( "  3S = 36\r\n" );
document.write( "   S = 12\r\n" );
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document.write( "The son is 12.  The man is 4S or 4(12) or 48.\r\n" );
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document.write( "The sum of their ages is 12+48 or 60.\r\n" );
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document.write( "Edwin
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