SOLUTION: The average of 9 is 40.the last three numbers are 30,32,34.find the average of the first six numbers.
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Question 1089047: The average of 9 is 40.the last three numbers are 30,32,34.find the average of the first six numbers.
Answer by Boreal(15235) (Show Source): You can put this solution on YOUR website!
average=total/n
If n is 9 and the average 40, the total must be 360.
The three numbers given have a sum of 96.
therefore, the other six numbers must have a total of 360-96=264
That is divided by 6 to get 44, the average of the other 6 numbers.
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