document.write( "Question 324350: The average (arithmetic mean) of x and y is 20. If z = 5, what is the average of x, y, and z? \n" ); document.write( "
Algebra.Com's Answer #232134 by Fombitz(32388)\"\" \"About 
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\"%28x%2By%29%2F2=20\"
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\n" ); document.write( "\"%28x%2By%2Bz%29%2F3=%28x%2By%2B5%29%2F3=%2840%2B5%29%2F3=45%2F3=highlight%2815%29\"
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