The exam grade

The exam grade

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When the teacher has corrected the first six exams in the class, the average grade is 8.4 points. When correcting the seventh, the average score rises to 8.5 points.

What grade did you get the seventh exam?


The seventh grade is 9.1.

The total of the first 6 exams is: 8.4 × 6 = 50.4.
The total of the 7 is: 8.5 × 7 = 59.5
If they subtract the note is obtained: 59.5 - 50.4 = 9.1