SOLUTION: The average of your first 7 quizzes was an 82. What do you need on your next quiz to raise your average to an 84?

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Question 563197: The average of your first 7 quizzes was an 82. What do you need on your next quiz to raise your average to an 84?
Found 2 solutions by Alan3354, stanbon:
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
The average of your first 7 quizzes was an 82. What do you need on your next quiz to raise your average to an 84?
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An 84 avg for 8 quizzes = 8*84 = 672 points
7*82 = 574 points
672 - 574 = 98 points needed

Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
The average of your first 7 quizzes was an 82. What do you need on your next quiz to raise your average to an 84?
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Total points from the 7 quizzes: 7*82 = 574
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Total needed for the 8 quizzes: 8*84 = 672
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Score needed on 8th quiz: 672-574 = 98
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Cheers,
Stan H.
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