document.write( "Question 903674: A is 12 year old, B is 24 year ols. how many years ago was B's age 3 times that os A?
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Algebra.Com's Answer #548224 by ewatrrr(24785)\"\" \"About 
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x the number of years ago
\n" ); document.write( "24-x= 3(12-x)
\n" ); document.write( "2x = 12
\n" ); document.write( "x = 6 years ago
\n" ); document.write( "And..checking... 6 years ago ...
\n" ); document.write( "18 = 3*6
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