document.write( "Question 864521: 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( "25 said they drove alone. \n" );
document.write( "34 rode in a carpool. \n" );
document.write( "33 rode public transportation. \n" );
document.write( "5 used both carpools and public transportation. \n" );
document.write( "5 used both a carpool and sometimes their own cars. \n" );
document.write( "3 used buses as well as their own cars. \n" );
document.write( "2 used all three methods. \n" );
document.write( "How many used none of the above-mentioned means of transportation? \n" );
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. \n" );
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