document.write( "Question 332256: The average of x, y, and z is 80. If two of the numbers are 74 and 78, then what is the other number \n" ); document.write( "
Algebra.Com's Answer #238119 by jim_thompson5910(35256)\"\" \"About 
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Hint: \"The average of x, y, and z is 80 \" means that \"%28x%2By%2Bz%29%2F3=80\". We're given that \"two of the numbers are 74 and 78\", so let \"x=74\" and \"y=78\" and plug them in to get \"%2874%2B78%2Bz%29%2F3=80\". Now solve for 'z' to find the missing number. \n" ); document.write( "
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