SOLUTION: A student has scores of 87.75, 89, and 91 on his first three tests. He needs an average of at least 90 to earn a grade of A. What is the minimum score that the student needs on th

Question 945076: A student has scores of 87.75, 89, and 91 on his first three tests. He needs an average of at least 90 to earn a grade of A. What is the minimum score that the student needs on the fourth test to ensure a A?
Answer by lwsshak3(11628) (Show Source): You can put this solution on YOUR website!
A student has scores of 87.75, 89, and 91 on his first three tests. He needs an average of at least 90 to earn a grade of A. What is the minimum score that the student needs on the fourth test to ensure a A?
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267.75+x=360
x=92.25
What is the minimum score that the student needs on the fourth test to ensure a A? 92.25
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