document.write( "Question 386033: Together Mary, Mark & John earned $102. Mark made twice as much as John and Mary earned 4 dollars more than John. \n" ); document.write( "
Algebra.Com's Answer #272964 by ewatrrr(24785)\"\" \"About 
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\n" ); document.write( "Hi,
\n" ); document.write( "Let x, 2x and (x+4) represent John's, Mark's and Mary's earnings
\n" ); document.write( " x + 2x +(x+4) = $102
\n" ); document.write( "Soving for x
\n" ); document.write( " 4x + 4 = $102
\n" ); document.write( " 4x = $98
\n" ); document.write( " x = $24.50, John's earnings. Marks' $49 and Mary's $28.50\r
\n" ); document.write( "\n" ); document.write( "CHECKING our Answer
\n" ); document.write( " $24.50 + $49 + $28.50 = $102 \n" ); document.write( "
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