If n(A) = 109, n(A ∪ B) = 160, and n(A ∩ B) = 42, find n(B).
College Algebra (MindTap Course List)
12th Edition
ISBN:9781305652231
Author:R. David Gustafson, Jeff Hughes
Publisher:R. David Gustafson, Jeff Hughes
Chapter8: Sequences, Series, And Probability
Section8.CT: Chapter Test
Problem 23CT
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n(A) = 109, n(A ∪ B) = 160, and n(A ∩ B) = 42, find n(B).
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