Solve the problem.
-Bill needs an average of 75 on four tests in science to make the honor roll. What is the lowest score he can receive on the fourth test if his first three scores are 61, 82, and 60?
A) 97
B) 67.7
C) 75
D) 69.5

Question

Quizplus · Accepted Answer

To achieve an average of 75 over four tests, Bill needs a total of 4 * 75 = 300 points. The sum of his first three scores is 61 + 82 + 60 = 203. Therefore, he needs 300 - 203 = 97 on the fourth test.

Solve the Problem. -Bill Needs an Average of 75 on Four Tests in Four