Hey,

I am like really really confused on how to solve this I uploaded a picture of what I did then am just stuck and confused.

15. 500 students are enrolled in at least two of these three classes: Math, English, and History. 170 are enrolled in both Math and English, 150 are enrolled in both History and English, and 300 are enrolled in Math and History. How many of the 500 students are enrolled in all three?

A 300

B 330

C 200

D 120

E 90

F 60