document.write( "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? \n" ); document.write( "

Algebra.Com's Answer #67448 by checkley75(3666) $\"\"$ $\"About$

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AVE. OF X&Y=K (K+Z)/3. ANSWER. \n" ); document.write( "

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