A poll was taken of 100 students at a commuter campus to find out how they got to campus. The results were as follows:30 said they drove alone.26 rode in a carpool.25 rode public transportation.6 used both carpools and public transportation.4 used both a carpool and sometimes their own cars.3 used buses as well as their own cars.2 used all three methods.How many used none of the above-mentioned means of transportation?

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Algebra and Trigonometry (6th Edition)

6th Edition

ISBN:9780134463216

Author:Robert F. Blitzer

Publisher:Robert F. Blitzer

ChapterP: Prerequisites: Fundamental Concepts Of Algebra

Section: Chapter Questions

Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...

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

30		said they drove alone.
26		rode in a carpool.
25		rode public transportation.
6		used both carpools and public transportation.
4		used both a carpool and sometimes their own cars.
3		used buses as well as their own cars.
2		used all three methods.

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

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