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)![]() ![]() You can put this solution on YOUR website! 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. ☺☺☺☺ \n" ); document.write( " |