SOLUTION: I want to earn an 86% grade point average. So far, my test scores have been 82%, 92%, 79% & 84%. What is the lowest possible score that I must earn on my next test to keep an 86% t

Question 881805: I want to earn an 86% grade point average. So far, my test scores have been 82%, 92%, 79% & 84%. What is the lowest possible score that I must earn on my next test to keep an 86% test average?
Answer by lwsshak3(11628) (Show Source): You can put this solution on YOUR website!
I want to earn an 86% grade point average. So far, my test scores have been 82%, 92%, 79% & 84%. What is the lowest possible score that I must earn on my next test to keep an 86% test average?
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let x=lowest possible score on next test to keep an 86% test average?
(82%+92%+79%+84%+x)/5=86%
5*86=337+x
430=337+x
x=93
lowest possible score on next test to keep an 86% test average=93%
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