document.write( "Question 1018455: Mark is 3 times as old as Sheri. In 5 years, the difference in their ages will be 24 years. How old are they now? \n" ); document.write( "
Algebra.Com's Answer #634555 by Alan3354(69443)\"\" \"About 
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Mark is 3 times as old as Sheri. In 5 years, the difference in their ages will be 24 years. How old are they now?
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\n" ); document.write( "The difference now is 24 years.
\n" ); document.write( "--> 12 & 36
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