document.write( "Question 1020094: If Peter’s age + Paul’s age = 39
\n" ); document.write( "and Peter’s age + Mary’s age = 44\r
\n" ); document.write( "\n" ); document.write( "and Paul’s age + Mary’s age = 47\r
\n" ); document.write( "\n" ); document.write( "how old are Peter, Paul and Mary?
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Algebra.Com's Answer #636033 by ewatrrr(24785)\"\" \"About 
You can put this solution on YOUR website!

\n" ); document.write( "Hi
\n" ); document.write( "Let x, y , z represent Peter, Paul and Mary's age
\n" ); document.write( "Question States***(Write as You Read)
\n" ); document.write( "I. x + y = 39
\n" ); document.write( "II.x + z = 44 Subtracting 1st from second
\n" ); document.write( " z-y = 5
\n" ); document.write( "III. y+z = 47 0r
\n" ); document.write( "z-y = 5
\n" ); document.write( "z + y = 47
\n" ); document.write( " 2z = 52
\n" ); document.write( " z = 26, x = 18 \"x%2B26=44\" and y = 21 \"+y+%2B+26+=+47\"
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