Mathematics, 08.10.2020 06:01 joannakawata6

If n(U)=48,n(A)=25,n=(B)=20 and n(AnB)=15,find n(AUB)

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If n(U)=48,n(A)=25,n=(B)=20 and n(AnB)=15,find n(AUB)...