SOLUTION: Kofi scored 73,75,89, and 91 in four mathematics quizzes. What score must he obtain in the fifth quize in order to get an average of at least 85.
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Question 530428: Kofi scored 73,75,89, and 91 in four mathematics quizzes. What score must he obtain in the fifth quize in order to get an average of at least 85.
Answer by scott8148(6628) (Show Source): You can put this solution on YOUR website!
73 + 75 + 89 + 91 + x = 5 * 85
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