SOLUTION: aA student took three papers in mathematics exams.his marks for two of the papers we 60 and 67 respectively.To gain a grade one as an average of not less than 70 is needed over the

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Question 1176114: aA student took three papers in mathematics exams.his marks for two of the papers we 60 and 67 respectively.To gain a grade one as an average of not less than 70 is needed over the three papers.How many marks must he gain for the third paper.
Answer by ewatrrr(24785)   (Show Source): You can put this solution on YOUR website!

Hi
 (60 + 67 + x)/3 ≥ 70
              x  ≥ 210 - (60 + 67)
              x  ≥ 83

Wish You the Best in your Studies.


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