You can put this solution on YOUR website! It depends on how you arrived at the average of 59.
If you were to have taken 10 exams and earned a total of 590 points, then your average is 59.
Adding 1 exam worth 85 points brings your total to 11 exams and 675 points for an average of 61.36.
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In contrast if you had only 2 exams totaling 118 points for an average of 59, then 1 more exam with an 85 makes a bigger difference. Then you would have earned 203 points on 3 tests for an average of 67.67.
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