SOLUTION: The mean exam score for 10 students in a class was 85. One student then dropped the class, changing the mean exam score of the remaining students to 90. What was the exam score o

SOLUTION: The mean exam score for 10 students in a class was 85. One student then dropped the class, changing the mean exam score of the remaining students to 90. What was the exam score o

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Question 540770: The mean exam score for 10 students in a class was 85. One student then dropped the class, changing the mean exam score of the remaining students to 90. What was the exam score of the student who dropped the class?
Answer by scott8148(6628) (Show Source): You can put this solution on YOUR website!
(9 * 90) + x = 10 * 85
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