SOLUTION: n(U) = 150, n(A) = 90, n(B) = 70, n(A U B)� = 30 Using the information above find n(A ∩ B)

Question 994011: n(U) = 150, n(A) = 90, n(B) = 70, n(A U B)� = 30
Using the information above find n(A ∩ B)

Answer by ikleyn(52778) (Show Source): You can put this solution on YOUR website!
.
How the sets U, A and B are inter-related?
Who is a sub-sit in whom?
Without this information your problem does not make sense.

And what is this stroke in the formula n(A U B)� = 30 ?

Can you formulate the problem accurately?

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SOLUTION: n(U) = 150, n(A) = 90, n(B) = 70, n(A U B)� = 30 Using the information above find n(A &#8745; B)

SOLUTION: n(U) = 150, n(A) = 90, n(B) = 70, n(A U B)� = 30 Using the information above find n(A ∩ B)