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Mathematics, 30.09.2019 22:30 sashamanger2396

Professor b reported to his class that 402 people had checked the theater box, 491 had checked the dvd box, 274 had checked both boxes, and 103 of the forms were blank.

a. how many people watched a movie in a theater or on a dvd during the past month?
b. how many people watched a movie in a theater only?
how many people watched a movie on a dvd only?

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