SOLUTION: a student received grades of 79, 90 and 83 on the three math tests. what grade does the student need on the fourth test to have an average test score of at least 85
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Question 572773: a student received grades of 79, 90 and 83 on the three math tests. what grade does the student need on the fourth test to have an average test score of at least 85 Answer by Alan3354(69443) (Show Source):
You can put this solution on YOUR website! a student received grades of 79, 90 and 83 on the three math tests. what grade does the student need on the fourth test to have an average test score of at least 85
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(79 + 90 + 83 + score)/4 = 85
(79 + 90 + 83 + score) = 340
score = 88 to make avg 85
