SOLUTION: n(a)=20 n(b)=44 and n(aub)=51 find- n of A intersection B

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Question 762886: n(a)=20 n(b)=44 and n(aub)=51 find- n of A intersection B
Answer by sachi(548) About Me  (Show Source):
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n(a)=20 n(b)=44 and n(aub)=51
n of A intersection B=n(a)+n(b)-n(aub)=20+44-51=13