document.write( "Question 1189011: Mary is three times as old as Jill. In five years, she will be twice as old as Jill. Find the present age of Mary.
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Algebra.Com's Answer #820223 by Alan3354(69443)\"\" \"About 
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Mary is three times as old as Jill. In five years, she will be twice as old as Jill. Find the present age of Mary.
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\n" ); document.write( "M = 3J
\n" ); document.write( "M+5 = 2(J+5)
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