SOLUTION: If the average (arithmetic mean) of x and y is k, which of the following is the average of x, y, and z?

SOLUTION: If the average (arithmetic mean) of x and y is k, which of the following is the average of x, y, and z?

Algebra.Com

Question 92637: If the average (arithmetic mean) of x and y is k, which of the following is the average of x, y, and z?
Answer by checkley75(3666) (Show Source): You can put this solution on YOUR website!
AVE. OF X&Y=K (K+Z)/3. ANSWER.
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