SOLUTION: Use the five steps for problem solving to answer the following question. Please show all of your work. The average of two quiz scores is 81. If one quiz score is six more than

Question 446515: Use the five steps for problem solving to answer the following question. Please show all of your work.
The average of two quiz scores is 81. If one quiz score is six more than the other quiz score, what are the two quiz scores?
Answer by ewatrrr(24785) (Show Source): You can put this solution on YOUR website!

 

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 

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