SOLUTION: The average of 8 numbers is 22. When a ninth number is added, the new average of the nine numbers is 24. What is the ninth number?

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Question 868970: The average of 8 numbers is 22. When a ninth number is added, the new average of the nine numbers is 24. What is the ninth number?
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
%288%2A22+%2B+x%29%2F9+= 24
x = 216-176 = 40