The average of Molly's 5 quiz scores is 9.0. If her highest test score is dropped, her average is lowered to 8.5. What was her highest test score?
1 Answer
Aug 25, 2016
11
Explanation:
We want to know her highest quiz score so let that be
The total of the 5 scores is 5x9 =45
The total without the highest is 45-
The average without the highest is
Solve to get the answer
Of course the question is only answerable when we are talking about the mean average.