Use the following information to answer the given questions: n(A ∪ C) = 11, n(A ∪ B ∪ C) = 5, n(B ∪ C) = 8, n(C − A) = 10, n(B ∪ C) = 34, n(A ∩ B) = 10, n(A ∪ B ∪ C) = 54, n(C’) = 64.
a) How many elements are there in C − A?
b) How many elements are there in B’?
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