Question

A student has gotten the following grades on his tests. What is the minimum grade he must get on the last test in order to have an average of 84?

76​, 93​, 89​, 71
The minimum grade he must get on the last test in order to have an average of 84 is x
What is X?

Answer 1

91

Explanation:

I used a calculator and if you add 76​, 93​, 89​, 71 to 91 it equals 420 and if you divide that by 5 it is 84.

Hope this helps!