Question

In a party of 45 people each one likes tea or coffe or both 35 people like tea and 20 people like coffee. Find the number of people who like both tea and coffee.​

Answer 1

Answer:

The number of people who like both coffee and tea = 10. n(C') = n(U) – n(C) = 45 – 20 = 25.

Answer 2

Answer:

45 people like both tea and coffee.