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OpenStudy (anonymous):
The average (arithmetic mean) of the 11 numbers in a list is 14. If the average of 9 of the numbers in the list is 9, what is the average of the other 2 numbers?
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OpenStudy (cwrw238):
sum of the 11 numbers = 11*14 = 154 9* 9 = 81 sum of last two numbers = 154-81 = 73 average of these 2 = 73/2 = 36.5
OpenStudy (anonymous):
thanku
OpenStudy (cwrw238):
welcome
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