Set Theoryhard
0:00.0
In a survey of 200 students, it was found that 120 liked tea, 110 liked coffee, and 100 liked milk. Furthermore, 70 liked tea and coffee, 60 liked coffee and milk, and 50 liked tea and milk. If 30 students liked all three beverages, how many students liked none of the three?
In a survey of 200 students, it was found that 120 liked tea, 110 liked coffee, and 100 liked milk. Furthermore, 70 liked tea and coffee, 60 liked coffee and milk, and 50 liked tea and milk. If 30 students liked all three beverages, how many students liked none of the three?