SOLUTION: The average (arithmetic mean) of (2x + 2), (3x – 2), and (4x + 9) is 15. What is the value of the difference between the median and average (arithmetic mean) of these numbers?

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Question 915453: The average (arithmetic mean) of (2x + 2), (3x – 2), and (4x + 9) is 15. What is the value of the difference between the median and average (arithmetic mean) of these numbers?
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
[(2x + 2)+ (3x – 2)+(4x + 9)]/3= 15
9x + 9 = 45
x + 1 = 5
x = 4
{ 10, 10, 25)
15- 10 = 5