2. There are three sections of an introductory course. The following table displays the number of students in some sections, and the average midterm score for all sections:

Section # of students avg. midterm score

A01 150 68.8

A02 ??? 61.6

A03 140 71.4

It is known that the average midterm score for all students in the course is 67.73.

How many students are in Section A02?

(A) 120 (B) 170 (C) 130 (D) 110 (E) 160