Fifty people went to see two different movies. Forty saw Movie A and twenty saw both Movie

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Fifty people went to see two different movies. Forty saw Movie A and twenty saw both Movie A and Movie B. How many people saw Movie B?

A. 10

B. 20

C. 30

D. 40

E. 50

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Related Book For  answer-question

McGraw Hills Conquering SAT Math

ISBN: 9780071493413

2nd Edition

Authors: Robert Postman, Ryan Postman

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