document.write( "Question 839861: Mary is four times as old as John. The difference of their ages is 42. How old is each. \n" ); document.write( "
Algebra.Com's Answer #505865 by edjones(8007)\"\" \"About 
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m=4j
\n" ); document.write( "m-j=42
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\n" ); document.write( "4j-j=42
\n" ); document.write( "3j=42
\n" ); document.write( "j=14
\n" ); document.write( "m=56
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