what scores are needed

Question

Brooke has test scores of 75,80,72, 65, and 90. What score does Brooke need on the final in order to have an average score of​ 80?

Answer 1

There are 6 tests.To score 80% he nedds 480 total marks.

He has total scroe from 5 tests =75 + 80 + 72 + 65 + 90=382

So he needs 98 % in the final