document.write( "Question 1037999: Johns mother is five times his as old as john is. Three years ago, she was 9 times his age. What are their present ages?
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Algebra.Com's Answer #652671 by Edwin McCravy(20056) $\"\"$ $\"About$

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John's mother is five times as old as John is.
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document.write( "M = 5J\r\n" );
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document.write( "Three years ago, the mother was M-3\r\n" );
document.write( "Three years ago, John was J-3\r\n" );
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\n" ); document.write( "Three years ago, she was 9 times his age.
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document.write( "M-3 = 9(J-3)\r\n" );
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document.write( "Solve by substituting 5J for M in the second equation,\r\n" );
document.write( "solving for J, then substituting what you get to find M.\r\n" );
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document.write( "Edwin

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