A student got 72% in math and 84% in history. To get an overall average of 75%, how much should the student get in the third subject?
Choose the correct choice from the following answers:
A) 65%
B) 67%
C) 69%
D) 71%
E) 73%
72 + 84 + x = 3*75   x = 69   The answer is 69%.
<result>C</result>
A student got 72% in math and 84% in history. To get an overall average of 75%, how much should the student get in the third subject?