SOLUTION: The mean average of three numbers is 8 Two of the numbers are 11 and 7 What is the third number?

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Question 911983: The mean average of three numbers is 8 Two of the numbers are 11 and 7
What is the third number?
Answer by lexispoon(1) About Me  (Show Source):
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The sum of the numbers will be 8*3=24. 11+7=18 and 24-18=6. So the last number is 6. The average of 6, 7, 11 is 8. So the third number is 6.