Question

A poll was taken of 100 students at a commuter campus to find out how they got to campus. The results are below.
36 said they drove alone.
31 rode in a carpool.
32 rode public transportation.
6 used both carpools and public transportation.
7 used both a carpool and sometimes their own cars.
4 used buses as well as their own cars.
3 used all three methods.

Answer 1

You would add up all the numbers in the survey, then subtract that number by the number of people surveyed to get your answer.

Answer 2

umm. Is there a question somewhere in there?