document.write( "Question 1146754: Sam is 54 years old. Marissa is 18 years old. How many years until Sam's age is 2 times Marissa's age? \n" ); document.write( "
Algebra.Com's Answer #768032 by Alan3354(69443)\"\" \"About 
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Sam is 54 years old. Marissa is 18 years old. How many years until Sam's age is 2 times Marissa's age?
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\n" ); document.write( "The difference is 36 years.
\n" ); document.write( "---> when they're 36 & 72
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