# algebra

posted by
**Anonymous**
.

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

26 said they drove alone.

34 rode in a carpool.

34 rode public transportation.

7 used both carpools and public transportation.

6 used both a carpool and sometimes their own cars.

5 used buses as well as their own cars.

3 used all three methods.

How many used none of the above-mentioned means of transportation?

1 students