document.write( "Question 378023: 12 year old ben's grandfather is 66. How many years ago was his grandfather 10 times older than ben? \n" ); document.write( "
Algebra.Com's Answer #268632 by robertb(5830)![]() ![]() You can put this solution on YOUR website! 10(12 - x) = 66- x, \n" ); document.write( "120 - 10x = 66-x, \n" ); document.write( "54 = -x + 10x, \n" ); document.write( "54 = 9x, \n" ); document.write( "x = 6. Therefore 6 years ago Ben's grandfather was 10 times as old as Ben. \n" ); document.write( " \n" ); document.write( " |