SOLUTION: Let A, B, and C be sets in a universal set U. We are given n(U) = 53, n(A) = 31, n(B) = 38, n(C) = 30, n(A ∩ B) = 25, n(A ∩ C) = 16, n(B ∩ C) = 20, n(A ∩ B ∩ CC) = 12. Fi

Question 1197493: Let A, B, and C be sets in a universal set U. We are given n(U) = 53, n(A) = 31, n(B) = 38, n(C) = 30, n(A ∩ B) = 25, n(A ∩ C) = 16, n(B ∩ C) = 20, n(A ∩ B ∩ CC) = 12. Find the following values.
(a) n(AC ∩ B ∩ C)
(b) n(A ∩ BC ∩ CC)
Answer by ikleyn(52909) (Show Source): You can put this solution on YOUR website!
.

when you use CC or BC without explanations, it becomes unclear.

If the last "C" means "complement", then it should be written differently (or, at least, explained).

I don't want to make hypotheses about the meaning of your writing - it is not my duty at this forum.

Have a nice day/night and any other time of the day.

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