In a restaurant, 100 tables had been served. Of these tables, 15 had dish A only, 20 had dish B only, 15 had dish C only, 10 had dishes A and B only, 15 had dishes B and C only, 15 had dishes C and A only, and 10 had all these dishes. In how many tables can dishes A or C be found?

College Algebra
7th Edition
ISBN:9781305115545
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:James Stewart, Lothar Redlin, Saleem Watson
Chapter9: Counting And Probability
Section: Chapter Questions
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In a restaurant, 100 tables had been served. Of these tables, 15 had dish A only, 20 had dish B only, 15 had dish C only, 10 had dishes A and B only, 15 had dishes B and C only, 15 had dishes C and A only, and 10 had all these dishes. In how many tables can dishes A or C be found?

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