SOLUTION: Mr. D’s average of 4 weekly quizzes was 84. What grade should he get on the 5th quiz so that he can raise his average to 86?

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Question 547638: Mr. D’s average of 4 weekly quizzes was 84. What grade should he get on the 5th quiz so that he can raise his average to 86?
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
4*84 = 336
5*86 = 430
430 - 336 = 94 needed