Sunday
December 21, 2014

Homework Help: Algebra with applications

Posted by lyn on Sunday, January 27, 2013 at 2:56pm.

A poll was taken of 100 students at a commuter campus to find out how they got to campus. The results were as follows:
23 said they drove alone.
30 rode in a carpool.
31 rode public transportation.
4 used both carpools and public transportation.
3 used both a carpool and sometimes their own cars.
3 used buses as well as their own cars.
1 used all three methods.
How many used none of the above-mentioned means of transportation?

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