document.write( "Question 864484: A poll was taken of 100 students at a commuter campus to find out how they got to campus. The results were as follows:
\n" ); document.write( "32 said they drove alone.
\n" ); document.write( "27 rode in a carpool.
\n" ); document.write( "28 rode public transportation.
\n" ); document.write( "6 used both carpools and public transportation.
\n" ); document.write( "7 used both a carpool and sometimes their own cars.
\n" ); document.write( "8 used public transit as well as their own cars.
\n" ); document.write( "4 used all three methods.
\n" ); document.write( "How many used none of the above-mentioned means of transportation?
\n" ); document.write( "

Algebra.Com's Answer #521019 by richwmiller(17219)\"\" \"About 
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32 said they drove alone.
\n" ); document.write( "27 rode in a carpool.
\n" ); document.write( "28 rode public transportation.
\n" ); document.write( "6 used both carpools and public transportation.
\n" ); document.write( "7 used both a carpool and sometimes their own cars.
\n" ); document.write( "8 used public transportation as well as their own cars.
\n" ); document.write( "4 used all three methods.
\n" ); document.write( "Venn Diagram with known info
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\n" ); document.write( "alone\r
\n" ); document.write( "\n" ); document.write( "7 carpools and alone
\n" ); document.write( "8 public transportation and alone
\n" ); document.write( "4 all three ways
\n" ); document.write( "total 32-19=13 =a only alone\r
\n" ); document.write( "\n" ); document.write( "carpool
\n" ); document.write( "7 carpools and alone
\n" ); document.write( "4 all three ways
\n" ); document.write( "6 carpool and bus\r
\n" ); document.write( "\n" ); document.write( "27-17=10 =b only carpool
\n" ); document.write( "public transportation
\n" ); document.write( "8 public transportation and alone
\n" ); document.write( "4 all three ways
\n" ); document.write( "6 carpool and public transportation
\n" ); document.write( "28-18=10 =c only public transportation\r
\n" ); document.write( "\n" ); document.write( "Shared 8+4+6+7=25
\n" ); document.write( "13+10+10=33
\n" ); document.write( "25+33=58
\n" ); document.write( "100-58=42 =none
\n" ); document.write( "Venn Diagram with calculated info
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\n" ); document.write( "none of above might be walking, bike, skateboard, roller skates, or motorbike\r
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