n(A) = 20
n(B) = 10
n (AUB) = 22
Find n (A∩B)
Answers
Answered by
0
Answer:
AU(oppo.)B is also 22......
Answered by
1
Answer:
8
Step-by-step explanation:
n(AnB)= n(A)+n(B)-n(AuB)
=20+10-22
=8
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