SOLUTION: A student has scores of 73, 76, and 83 on three exams. What score is needed on a fourth exam to make the student's average 80 or better? (Use x to represent the student's score on

Question 393673: A student has scores of 73, 76, and 83 on three exams. What score is needed on a fourth exam to make the student's average 80 or better? (Use x to represent the student's score on the fourth exam.)

Answer by ewatrrr(24785) (Show Source): You can put this solution on YOUR website!



Hi

 73, 76, and 83 on three exams

Using x to represent the student's score on the fourth exam.

 (73 + 76 + 83 + x) /4 > 80

  232 + x  > 320

        x  > 88  to make the student's average 80 or better 

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