SOLUTION: Please help me solve this problem:The average allowance per head of the entire staff of an office including the officers and the clerks is Tk.60. The average allowance per head of

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Question 1088817: Please help me solve this problem:The average allowance per head of the entire staff of an office including the officers and the clerks is Tk.60. The average allowance per head of the office is Tk.400 and that of the clerks is Tk.56. If there are twelve officers, find the number of clerks in the office.
Answer by ikleyn(52803) About Me  (Show Source):
You can put this solution on YOUR website!
.
(1)  "The average allowance per head of the entire staff of an office including the officers and the clerks is Tk.60."


(2)  "The average allowance per head of the office is Tk.400"



Could you explain me PLEASE what is the difference in population between (1) and (2) ?  In my view, the population is the same.

Then why the numbers Tk.60  and  Tk.400 are different ?