Answer: (83 + 91 + 82 + 95) / 4
Explanation:
The information given tells us how to complete the question. We will be finding the average.
Add all the scores together, and divide by the number of tests.
(83 + 91 + 82 + 95) / 4
Since this question asks for an expression, we will end here. If it asked us to solve, we would do the following;
(83 + 91 + 82 + 95) / 4
(351) / 4
87.75