SOLUTION: On the first 4 quizzes of his chemistry class, Brandon got an average score of 81. What does he need on the next quiz to have an overall average of 83?

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Question 906296: On the first 4 quizzes of his chemistry class, Brandon got an average score of 81.
What does he need on the next quiz to have an overall average of 83?
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
%284%2A81+%2B+x%29%2F5+=+83
x = 415 - 324