Posted by **DEE** on Saturday, January 19, 2013 at 7:17pm.

A poll was taken of 100 students at a commuter campus to find out how they got to campus. The results were as follows:

34 said they drove alone.

24 rode in a carpool.

28 rode public transportation.

3 used both carpools and public transportation.

3 used both a carpool and sometimes their own cars.

5 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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