SOLUTION: The mean of five numbers is 9. If one of the five numbers is removed, the mean becomes 10. What is the value of the number that was removed?
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Question 780385: The mean of five numbers is 9. If one of the five numbers is removed, the mean becomes 10. What is the value of the number that was removed?
Answer by psbhowmick(878) (Show Source): You can put this solution on YOUR website!
The one removed is: 5x9 - 4x10 = 45 - 40 = 5
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