document.write( "Question 1108720: the sum of the ages of ryan and linda is 113. 9 years ago, ryans age was 4 times lindas age. how old is ryan now? \n" ); document.write( "
Algebra.Com's Answer #723737 by Boreal(15235)![]() ![]() You can put this solution on YOUR website! Linda=x \n" ); document.write( "Ryan=y \n" ); document.write( "x+y=113.9 \n" ); document.write( "9 years ago Linda was x-9 \n" ); document.write( "Ryan's was 4(x-9)=4x-36 \n" ); document.write( "Now Ryan is 4x-27, because it is 9 years later, so y=4x-27 and we can substitute \n" ); document.write( "x+4x-27=113.9 \n" ); document.write( "5x=140.9 \n" ); document.write( "x=28.18 Linda \n" ); document.write( "y=113.9-28.18=85.72 Ryan ANSWER \n" ); document.write( "nine years ago, Ryan was 76.72 and Linda was 19.18, so Ryan was 4 times older than she.\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |