Question

If n (u) = 100, n (A) = 50, n (B) = 20 and n (A ⋂ B) = 10, then
n {(A ⋃ B)ᶜ} (a) 60 (b) 30 (c) 40 (d) 20

Answer 1

Answer:

your answer is 60.

Step-by-step explanation:

hope it is correct