SOLUTION: Out of three numbers the average of the first and the second number is 27 more than the average of the second and the third number. What is the difference between the first and the

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Question 919070: Out of three numbers the average of the first and the second number is 27 more than the average of the second and the third number. What is the difference between the first and the third number?
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
%28x%2By%29%2F2+=+A%2B+27 0r x = -y + 2A + 54
%28y+%2B+z%29%2F2+=+A 0r z = -y + 2A
x - z = -y + 2A + 54 - (-y + 2A)
x - z = 54