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Thirty-one students who write a contest get all the integer grades from 70 through 100, with
different students getting different grades. When one particular score is removed, the average
of the 30 remaining scores is the same as the average of all 31 scores. What score has been
removed?

 #1
avatar+300 
+2

The average, which is the median in this case, has been removed. That would be 85 :D

 May 1, 2020

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