There are 17 students.
11 students like one pizza topping
7 students like two of the toppings
4 students like 3 of the toppings
2 students like 4 of the toppings
1 students likes all of the toppings
How many students like none of the toppings?
I tried adding up all the sets then subtracting the overlaps then adding back in the intersections but I miscounted somewhere because I got way more than 17 which isn't possible because there are only 17 students