Question

Which expression represents the average of three test scores?

Answer 1

The answer would be C.

Answer 2

C) is the correct answer

Explanation:

In order to find an average, you need to add x, y, and z and then divide them by 3 because there are 3 test scores, and x, y, and z represent the grades for each test. This is why C) x+y+z/3 is correct.