Math
posted by Bob on .
Of 30 students, 12 play football, 17 play soccer, and 5 play both, how many play neither?

You can use a Venn Diagram
12  5(0verlap) = 7 football
17  5 = 12
Add up 7 + 12 + 5 =
subtract from 30 
12+175+neither = 30
neither = 3024 = 6 
je ne sais pas

6 play neither