document.write( "Question 1108618: 5 years ago Sue was 5 times as old as her sister Sue is three times as old as her sister is now how old is Sue \n" ); document.write( "
Algebra.Com's Answer #723622 by stanbon(75887) ![]() You can put this solution on YOUR website! 5 years ago Sue was 5 times as old as her sister Sue is three times as old as her sister is now how old is Sue \n" ); document.write( "------ \n" ); document.write( "Equations: \n" ); document.write( "S-5 = 5(s-5) \n" ); document.write( "S = 3s \n" ); document.write( "--------- \n" ); document.write( "Substitute for \"s\" and solve for \"S\":: \n" ); document.write( "S-5 = 5(S/3 - 5) \n" ); document.write( "S-5 = (5/3)S - 25 \n" ); document.write( "(2/3)S = 20 \n" ); document.write( "S = 30 yrs (Sue's age now) \n" ); document.write( "------------ \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "----------- \n" ); document.write( " \r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |