Solve the problem.
-Claire has received scores of 85, 88, 87, and 80 on her algebra tests. What score must she receive on the fifth test to have an overall test score average of at least 82?
A)70 or greater
B)71 or greater
C)69 or greater
D)68 or greater

Question

Quizplus · Accepted Answer

To achieve an average of at least 82 over five tests, the total score must be at least 5 * 82 = 410. The sum of the first four scores is 85 + 88 + 87 + 80 = 340. Therefore, the score needed on the fifth test is 410 - 340 = 70 or greater.

Solve the Problem. -Claire Has Received Scores of 85, 88, 87, and 80