Paul has grades of 78 and 62 on his first two tests. What must he score on his third test in order to have an average of at least 60?
A)at least 40
B)at most 67
C)at most 60
D)at least 70

Question

Quizplus · Accepted Answer

To achieve an average of at least 60 over three tests, the total points must be at least 180 (60 * 3). Paul has already scored 78 + 62 = 140 points. Therefore, he needs at least 180 - 140 = 40 points on the third test.

Paul Has Grades of 78 and 62 on His First