Solve the problem.
-Jim has gotten scores of 66 and 81 on his first two tests. What score must he get on his third test to keep an average of 75 or greater?
A) At least 74.0
B) At least 77
C) At least 78
D) At least 73.5

Question

Quizplus · Accepted Answer

To maintain an average of 75 or greater after three tests, the total score for all three tests must be at least 225 (since 75 * 3 = 225). Jim has already scored 66 and 81, which sum up to 147. Subtracting this from 225 gives 78, meaning Jim needs at least a score of 78 on his third test.

Solve the Problem. -Jim Has Gotten Scores of 66 and 81 on His