3. Sofia earned scores of 85, 86, 87, and 82 points on 4 math tests. What score must Sofia earn on the 5th math test for the average of the 5 tests to be exactly 3 points higher than the average of the first 4 tests?

Answer and Explanation

Your Answer is

Correct Answer is E

Explanation

Set the new data as x, (85+86+87+82)/4+3=(85+86+87+82+x)/5, the solution is x=100, choose E