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You have what's known as a weighted average. The 80 score is weighted more heavily than the 91 score, so the weighted average will be closer to 80 than a non-weighted average. 0.85 x 80 = 68 0.15 x 91 = 13.65 68 + 13.65 = 81.65

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Q: If 85 percent of a grade is 80 and the other 15 percent is 91 what is the final grade?
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