There are three groups of people who like Popcorn, Candy, and Soda. 12 people like Popcorn, 11 people like Candy, 10 people like Soda. 5 people like Popcorn AND Candy, 6 people like Candy AND Soda, and 3 people like Popcorn AND Soda. Only 2 people like ALL THREE. So how many people like Popcorn or Candy (or both) BUT NOT Soda?

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
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There are three groups of people who like Popcorn, Candy, and Soda. 12 people like Popcorn, 11
people like Candy, 10 people like Soda. 5 people like Popcorn AND Candy, 6 people like Candy AND
Soda, and 3 people like Popcorn AND Soda. Only 2 people like ALL THREE. So how many people like
Popcorn or Candy (or both) BUT NOT Soda?

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