document.write( "Question 1073535: My father is 40 years older than me and is three times my age. How old am I? \n" ); document.write( "
Algebra.Com's Answer #688348 by ikleyn(52794)\"\" \"About 
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document.write( "Let M be \"my age\".\r\n" );
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document.write( "Then the father's age is M + 40, according to the condition.\r\n" );
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document.write( "Also, the condition says \r\n" );
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document.write( "M + 40 = 3M.\r\n" );
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document.write( "From this equation,  40 = 2M and M = \"40%2F2\" = 20.\r\n" );
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document.write( "Answer.  My age is 20 years.\r\n" );
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