SOLUTION: The average arithmetic mean of a list of 8 numbers is 6, and the average of a separate list of 4 numbers is 71. What is the average of all 12 numbers?
the answer is 65 but i dont
Algebra.Com
Question 976733: The average arithmetic mean of a list of 8 numbers is 6, and the average of a separate list of 4 numbers is 71. What is the average of all 12 numbers?
the answer is 65 but i dont know why
Answer by ankor@dixie-net.com(22740) (Show Source): You can put this solution on YOUR website!
The average arithmetic mean of a list of 8 numbers is 6, and the average of a separate list of 4 numbers is 71.
:
I don't get 65, here's my take on this
:
What is the average of all 12 numbers?
a =
a =
a =
a = 27
RELATED QUESTIONS
If the average (arithmetic mean) of seven numbers is -8 and the average of five of the... (answered by Fombitz)
the least and greatest numbers in a list of 7 real numbers are 2 and 20 ,respectively. (answered by stanbon)
The least and greatest numbers in a list of 7 real numbers are 2 and 20 ,respectively.... (answered by robertb)
There is a list of seven numbers. The average of the first four numbers is 5, and the... (answered by richwmiller)
The average(arithmetic mean) of 6 numbers is 6. If 3 is subtracted from each of 4 of the... (answered by Theo)
If the average (arithmetic mean) of eight numbers is 20 and the average of five of these... (answered by stanbon)
If the average (arithmetic mean) of six numbers is 28 and the average of two of these... (answered by KMST)
12-n, 12, 12+n
What is the average (arithmetic mean) of the 3 quantities in the list... (answered by user_dude2008,JBarnum)
What is the average (arithmetic mean) of the quantities in the list above?... (answered by Alan3354)