A Poll Was Taken Of $100$ Students at a Commuter Campus to Find Out How They

Short Answer

A poll was taken of $100$ students at a commuter campus to find out how they got to campus. The results were: $42$ said they drove alone. $31$ rode the bus. $29$ rode in a carpool. $5$ used both carpools and rode the bus. $10$ used both a carpool and sometimes drove alone. $9$ used buses as well as drove alone. $2$ used all three methods. How many are A and C, but not B (Region IV)? A = {people who drive alone} B = {people who ride the bus} C = {people who carpool} Use the figure (with Regions I to VIII) to answer the question. __________ students