Mathematics, 19.12.2019 19:31 gucc4836
500 people are enrolled in at least two of these three classes: art, drama, and piano. 170 are enrolled in both art and drama, 150 are enrolled in both piano and drama, and 300 are enrolled in art and piano. how many of the 500 people are enrolled in all three?
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500 people are enrolled in at least two of these three classes: art, drama, and piano. 170 are enro...
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