SOLUTION: Your grades are 83, 94, 86 and 91. What grade do you need to earn on your next test to have an average of 90

SOLUTION: Your grades are 83, 94, 86 and 91. What grade do you need to earn on your next test to have an average of 90

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Question 995309: Your grades are 83, 94, 86 and 91. What grade do you need to earn on your next test to have an average of 90
Answer by macston(5194) (Show Source): You can put this solution on YOUR website!
.
x=score on next test
Average=(Sum of test scores/number of test scores)
90=(83+94+86+91+x)/5
450=354+x
96=x
.
ANSWER: You would need 96 on your next test to average 90.
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