document.write( "Question 1177678: In a city three newspapers
\n" ); document.write( "X , Y , Z
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\n" ); document.write( "of the people of the city read
\n" ); document.write( "X , 50%
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\n" ); document.write( "Y , 30%
\n" ); document.write( "read
\n" ); document.write( "Z , 20%
\n" ); document.write( "read both
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\n" ); document.write( "Y ,15%
\n" ); document.write( "read both
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\n" ); document.write( "Z
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\n" ); document.write( "read all the three papers. Calculate the percentage of people who do not read any of
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Algebra.Com's Answer #806782 by ikleyn(52898)\"\" \"About 
You can put this solution on YOUR website!
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\n" ); document.write( "\n" ); document.write( "It could be a nice,  beautiful first class problem,  BUT,  UNFORTUNATELY,\r
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\n" ); document.write( "\n" ); document.write( "it describes,  BY  MISTAKE,  a situation which  NEVER  MAY  HAPPEN  in real life,\r
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\n" ); document.write( "\n" ); document.write( "because the intersection of the three sets  XYZ  (24%)  is,  according to the condition,\r
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\n" ); document.write( "\n" ); document.write( "GREATER  than the intersection of two subsets  XY  (20%)  and  XZ  (15%).\r
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\n" ); document.write( "\n" ); document.write( "So,  in this form,  as presented in the post,  the problem is good for re-cycling,  only.\r
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\n" ); document.write( "\n" ); document.write( "Unfortunately,  the person who composed this problem,  has lack of knowledge in elementary  Math.\r
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\n" ); document.write( "\n" ); document.write( "When you complete reading my post,  do not forget to submit your  \"THANKS\"  to me for my teaching.\r
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\n" ); document.write( "\n" ); document.write( "At least,  do not post your anathema to me for opening your eyes,
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