SOLUTION: In a class of 9 people, the average test score was 80. If a tenth student takes the test late and scores 100, what is the new test average with 10 students?

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Question 1144727: In a class of 9 people, the average test score was 80. If a tenth student takes the test late and scores 100, what is the new test average with 10 students?
Answer by greenestamps(13200) About Me  (Show Source):
You can put this solution on YOUR website!


(1) Multiply the average (80) by the number of students (9) to get the total number of points.

(2) Add the tenth score (100).

(3) Divide the new total by the new number of students.