92 people had lunch in the cafeteria.
9 people had soup, a sandwich, and a drink. 33
people had soup, 45 had a sandwich, and 52
had a drink. 5 people had soup and a
sandwich. 10 people had a sandwich and a
drink. 5 people had soup and a drink.
How many people had only a drink?
14 people
28 people
21 people
92 people