document.write( "Question 1148391: Fred is 5 years older than Mary. In 4 years, Fred will be twice as old as Mary was one year ago. What is Fred's age now? \n" ); document.write( "
Algebra.Com's Answer #769740 by Alan3354(69443)\"\" \"About 
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Fred is 5 years older than Mary. In 4 years, Fred will be twice as old as Mary was one year ago. What is Fred's age now?
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\n" ); document.write( "F = M + 5
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\n" ); document.write( "In 4 years, Fred will be twice as old as Mary was one year ago.
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\n" ); document.write( "F + 4 = 2*(M-1)
\n" ); document.write( "Can you do the rest?
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