Question

If n(A)=25, n(B) = 20 and n(ANB) = 13, then n (AUB) =?

1) 45

2) 27

3)/32

4) 58​

Answer 1

Answer:

n (AUB) = n(A)+n(B) - n(ANB)

             = 25+20- 13

             = 32

Step-by-step explanation: