document.write( "Question 657540: The sum of Mary's age and Mark's age is 41 years. Five years from now the sum of their ages will be three times Mary's present age. How old is Mary? This must be answer by the method of elimination \n" ); document.write( "
Algebra.Com's Answer #409916 by solver91311(24713)\"\" \"About 
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\n" ); document.write( "\n" ); document.write( "Let represent Mark's current age and let represent Mary's current age. Five years from now Mark will be and Mary will be .\r
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\n" ); document.write( "\n" ); document.write( "First put the second equation into standard form:\r
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\n" ); document.write( "\n" ); document.write( "Using a multiplier of 2 on the first equation, solve the 2X2 system by elimination.\r
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\n" ); document.write( "My calculator said it, I believe it, that settles it
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