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In a class of 50 students , 18 take music, 26 take art , and 2 take both art and music . How many students in the class are not enrolled in either music or art ?

Correct Answer: 8
Total - None = M + A - M∩A⇒ 50-None = 18 + 26 - 2⇒ None = 50 - 42 ∴ None = 8

In class of 50 students, 18 take music, 26 take art, and 2 take both music and art. How many students in the class are not enrolled in either music or art?

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