document.write( "Question 371633: Jack is 5 years older than his sister Mary. The sum of their ages is 37. How old is Jack. Show your work. \n" ); document.write( "
Algebra.Com's Answer #264700 by rfer(16322)\"\" \"About 
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x+x+5=37
\n" ); document.write( "2x=32
\n" ); document.write( "x=16 Mary
\n" ); document.write( "x+5=21 Jack
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