Solve.
-Bill needs an average of 85 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 78, 80, and 94?
A) 84
B) 85
C) 88
D) 84.3

Question

Quizplus · Accepted Answer

To achieve an average of 85 over four tests, the total points must be 4 * 85 = 340. The sum of the first three scores is 78 + 80 + 94 = 252. Therefore, the lowest score Bill can receive on the fourth test to reach a total of 340 points is 340 - 252 = 88.

Solve. -Bill Needs an Average of 85 on Four Tests in in Science