document.write( "Question 1164083: Logic: Set and operations - Cardinal numbers and surveys\r
\n" ); document.write( "\n" ); document.write( "A student conducted a survey at her school to find out the top goals
\n" ); document.write( "students currently have. Let W = the set of those who want to get rich,
\n" ); document.write( "F = the set of those who want to start a family, and E = the set of those
\n" ); document.write( "who want to become experts in their fields. The student's findings were:
\n" ); document.write( "n (W) = 160; n (F) = 140; n (E) = 130; n (W∩F) = 95; n (E∩F) = 90;
\n" ); document.write( "n (W∩F∩E) = 80; n (E ') = 95; n [(W∪F∪E)'] = 10. Find the total number of
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Algebra.Com's Answer #788397 by Edwin McCravy(20055)\"\" \"About 
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document.write( "Find the total number of students interviewed.\r\n" );
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document.write( "THIS IS A TRICK QUESTION!\r\n" );
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document.write( "It's a givaway!  You're given n(E)=130 and n(E')=95, so\r\n" );
document.write( "the total number of students = their sum = 225.\r\n" );
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document.write( "[All the other given information is not needed.]\r\n" );
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document.write( "Edwin
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