ACT Question of the Day #30

On his first four 100-point tests this quarter, a student has earned the following scores: 52, 70, 76, 79.  What score must the student earn on the fifth, final 100-point test in order to earn an average test grade of 75 for all five tests?

A.  69
B.  70
C.  71
D.  98
E.  The student cannot earn an average of 75.

The answer is:  D.  98