SOLUTION: on 11 quiz grades, the average is 93. If a teacher drops the lowest grade of 81, what is the new average?
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Question 551111: on 11 quiz grades, the average is 93. If a teacher drops the lowest grade of 81, what is the new average?
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
on 11 quiz grades, the average is 93. If a teacher drops the lowest grade of 81, what is the new average?
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Find the total points, = 11*93 = 1023
Subtract 81, --> 942
Now there are 10 grades
942/10 = 94.2
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