If n(A) = 45, n(B) = 18, and n(A ∩ B) = 7, find n(A ∪ B).

Algebra: Structure And Method, Book 1
(REV)00th Edition
ISBN:9780395977224
Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Chapter2: Working With Real Numbers
Section2.7: Problem Solving: Consecutive Integers
Problem 12OE
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If n(A) = 45, n(B) = 18, and n(AB) = 7, find n(AB).
 
 
 

 

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