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)![]() ![]() You can put this solution on YOUR website! 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 \n" ); document.write( " \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 \n" ); document.write( " \n" ); document.write( "none of above might be walking, bike, skateboard, roller skates, or motorbike\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " \n" ); document.write( " |