Question

if 50%of A=30% of B; then what n%
of B is A
​

Answer 1

Answer:

n(U)=50,n(A)=20

n(A∪B)=18            n(B−A)=?

So, n(A∪B)=n(0)−n(A∪B)

So. n(A∪B)=32

n(B−A)=n(A∪B)−n(A)

=32−20

n(B−A)=12

Step-by-step explanation:

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