Let x, y, and z be non-zero numbers such that the average (arithmetic mean) of x and
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Let x, y, and z be non-zero numbers such that the average (arithmetic mean) of x and twice y is equal to the average (arithmetic mean) of y and twice z. What is the average (arithmetic mean) of x and y?
a. z/2
b. z
c. 2z
d. z − x
e. z − y
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Related Book For
1014 Practice Questions For The New GRE
ISBN: 9780375429682
2nd Edition
Authors: The Princeton Review
Question Posted:
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