Question

Guese please solve that with full solution and

Answer 1

Answer:

Step-by-step explanation:

Using Set Theory Formula: n(A ∪ B) = n(A) + n(B) – n(A ∩ B)

Wherein n(A ∩B) = n(A) + n(B) – n(A ∪B)

= 20 + 28 – 36

= 48 – 36

= 12

Answer is 12.

Answer 2

Step-by-step explanation:

1)a 45887rs

d 81102rs

2) a 56450rs

c 7493.66rs

3) 116.42rs

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