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 #723621 by Alan3354(69443) 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( "S = Sue's age \n" ); document.write( "R = sister's age \n" ); document.write( "--- \n" ); document.write( "S-5 = 5*(R-5) \n" ); document.write( "S = 3R \n" ); document.write( "---- \n" ); document.write( "Sub for S in the 1st eqn \n" ); document.write( "3R - 5 = 5*(R-5) \n" ); document.write( "Solve for R \n" ); document.write( "then solve for S \n" ); document.write( " |