SOLUTION: If n(A) = 22, n(B) = 13, nd n(A ∩B) = 6 then n(A U B)= a. 35 b. 28 c. 29 d. 27

Algebra ->  Finite-and-infinite-sets -> SOLUTION: If n(A) = 22, n(B) = 13, nd n(A ∩B) = 6 then n(A U B)= a. 35 b. 28 c. 29 d. 27       Log On


   

Question 148089: If n(A) = 22, n(B) = 13, nd n(A ∩B) = 6 then n(A U B)=
a. 35
b. 28
c. 29
d. 27
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
If n(A) = 22, n(B) = 13, and n(A and B) = 6 then n(A U B)=
a. 35
b. 28
c. 29
d. 27
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n(AUB) = n(A)+n(B)-n(A and B)
n(AUB) = 22 + 13 - 6 = 29
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Cheers,
Stan H.