Question

If n(A)=32 and n(U)= 45, then n(A´)=?

Answer 1

Answer:

n(A´) = 13

Step-by-step explanation:

n(U)= n(A) + n(A´)

45 = 32 + n(A´)

n(A´) = 45 - 32

n(A´) = 13