document.write( "Question 936752: Jack is 13 years older than Mary. Together their ages total 153. How old is Jack and how old is Mary?
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Algebra.Com's Answer #570246 by Edwin McCravy(20056) $\"\"$ $\"About$

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document.write( "The words translate to\r\n" );
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document.write( "Substitute (M+13) for J in the second equation.\r\n" );
document.write( "Solve that for M\r\n" );
document.write( "Take what you get for M and substitute it in J=M+13.\r\n" );
document.write( "Then solve for J.\r\n" );
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document.write( "Edwin

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