document.write( "Question 370657: elsie is twelve years old than her brother andy. four years from now andy will be two third as old as elsie. how old are they now?
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Algebra.Com's Answer #264231 by robertb(5830)![]() ![]() You can put this solution on YOUR website! andy = a \n" ); document.write( "elsie= a+12. Four yrs from now, andy = a+4, elsie = a+16. \n" ); document.write( " \n" ); document.write( "3a+12 = 2a + 32, \n" ); document.write( "a = 20, the age of andy, and \n" ); document.write( "a + 12 = 32, the age of elsie. \n" ); document.write( " |