Question 446515
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Hi,
What are the quiz scores:
one quiz score is six more than the other quiz score
Let x and (x+6) represent the two quiz scores
Question states*** average of two quiz scores is 81. 
 [x +(x+6)]/2 = 81
  2x+6 = 162
   2x = 156
    x = 78  The quiz scores are 78  and 84

CHECKING our Answer***
  (78 + 84)/2 = 162/2 = 81