Solve.
-Claire has received scores of 85, 88, 87, and 75 on her algebra tests. What is the minimum score she must receive on the fifth test to have an overall test score average of at least 83? (Hint: The average
Of a list of numbers is their sum divided by the number of numbers in the list.)
A) 78
B) 79
C) 80
D) 81

Question

Quizplus · Accepted Answer

To find the minimum score Claire needs on her fifth test, first calculate the total score required for an average of 83 over five tests: 83 * 5 = 415. The sum of her current scores is 85 + 88 + 87 + 75 = 335. Therefore, the score needed on the fifth test is 415 - 335 = 80.

Solve. -Claire Has Received Scores of 85, 88, 87, and 75