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)\"\" \"About 
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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.
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