At Bison High School, there are 16 students in English Club,least one of the clubs?

16 students in Science Club and 20 students in Math Club.

Of these students, there are 5 students in both the English and

Science Clubs; 6 students in both the Science and Math

Clubs; and 8 in both the English and Math Clubs. If only 2

students are in all three clubs, how many students are in at