Carcass wrote:

At College C there are from 2 to 4 introductory philosophy classes each semester, and each of these classes has from 20 to 30 students enrolled. If one semester 10 percent of the students enrolled in introductory philosophy failed, what is the greatest possible number who failed?

(A) 12

(B) 10

(C) 8

(D) 6

(E) 3

We are given 2 to 4 introductory course each semester and each class has 20 to 30 students.

To find the maximum, let's take maximum value of introductory course i.e 4 and 30 students, then we get 120.

10% (120) =? 12.

A.