document.write( "Question 1070668: mary is 5 times as old as her daughter, and. three years ago she was 9 times as old as ann. How old is mary \n" ); document.write( "
Algebra.Com's Answer #691118 by jorel1380(3719)\"\" \"About 
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Let a be ann. Then mary is 5a. So:
\n" ); document.write( "5a-3=9(a-3)
\n" ); document.write( "5a-3=9a-27
\n" ); document.write( "4a=24
\n" ); document.write( "a=6
\n" ); document.write( "ann is 6
\n" ); document.write( "mary is 30. ☺☺☺☺
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