Question

pis help me fast everyone piz​

Answer 1

Answer:

n(P U Q) = 40

n(only P) = 15

n(only Q) = 13

Step-by-step explanation:

• n(P U Q) = n(P) + n(Q) - n(P Π Q)
• n(only P) = n(P - Q) = n(P) - n(P Π Q)
• n(only Q) = n(Q) - n(P Π Q)