document.write( "Question 665258: Mike is 18 years old and his grandmother is 66 years old. How many years ago was the grandmother 9 times as old as Mike? \n" ); document.write( "

Algebra.Com's Answer #413731 by josmiceli(19441) $\"\"$ $\"About$

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The difference in their ages will always be $\"+66+-+18+=+48+\"$ years
\n" ); document.write( "If Mike's age is $\"+m+\"$ and Grandmother's age is $\"+9m+\"$ ,
\n" ); document.write( "then $\"+9m+-+m+=+48+\"$
\n" ); document.write( " $\"+8m+=+48+\"$
\n" ); document.write( " $\"+m+=+6+\"$
\n" ); document.write( "Mike was 6 years old 12 years ago since $\"+18+-+12+=+6+\"$
\n" ); document.write( " \n" ); document.write( "

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