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OpenStudy (anonymous):
Can anyone help on this problem? (U)=100 (B')=48, (A n B')=26, (A n B)= 24 Find (A u B)?_______________________
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OpenStudy (mathmate):
Assuming (A) = cardinality of A = no. of elements in A, etc. |dw:1326940986440:dw| (B')=48 => (B)=100-48=52 (AUB)=(A)+(B)-(AnB) [all are known except (AUB)
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