Hi

difference between the scores is 12

Let x and (x-12) represent the two scores

Question states***

 [x + (x-12]/2 = 80

Solving for x

  [x + (x-12] = 160

       2x = 172

        x = 86  the two scores 74 and 86

CHECKING our Answer***

 (74 + 86)/2 = 160/2 = 80





     



 

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