SOLUTION: n(AUB) = 150 n(ANB) = 50 n(A-B) = 20 find n(B)?

SOLUTION: n(AUB) = 150 n(ANB) = 50 n(A-B) = 20 find n(B)?

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Question 622250: n(AUB) = 150
n(ANB) = 50
n(A-B) = 20
find n(B)?
Answer by lynnlo(4176) (Show Source): You can put this solution on YOUR website!
(1)n=150/abu
(2)n=5√2ab/ab, or -5√2ab/ab
(3)n=20/a-b
(4)bn
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