SOLUTION: A student’s test scores are 88, 87, 82, 95, and 89. If the student needs an average test score of 90 to obtain a grade of A, what must the score be
on the last test of the semeste
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Question 330099: A student’s test scores are 88, 87, 82, 95, and 89. If the student needs an average test score of 90 to obtain a grade of A, what must the score be
on the last test of the semester?
Answer by mananth(16946) (Show Source): You can put this solution on YOUR website!
88, 87, 82, 95, and 89.
The total of these scores = 441
If he needs an average of 90 from 6 tests he has to score 90*= 540
..
540-441= 99
..
He has to score 99 to get an average of 90 in the last test
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