In a survey of 250 people, 46% said that they like football, 64% said that they like baseball, and 82% said that they liked either football or baseball.

Question

How many people in this group like football and baseball?

1. 100
2. 65
3. 28
4. 70

Answer 1

Percentage who like both must be 46 + 64 - 82 = 28 %

So 0.28 x 250 = 70