Question: Let A , B , and C be sets in a universal set U . We are given n ( U ) =69, n (

LetA,B, andCbe sets in a universal setU. We are givenn(U) =69,n(A) =49,n(B) =32,n(C) =30,n(AB) =25,n(AC) =25,n(BC) =18,n(ABCC) =10.

Find the following values.

(a)n((ABC)C) :

(b)n(ACBCC) :

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