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The six departments of a company, consisting of 22, 32, 18, 16, 10, and 12 employees have
equal monthly salaries of $7,200, $7,600, $6,900, $8,200, $7,800, and $7,200, respectively.
What is the mean monthly salary of all the employees of the company?
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First, calculate the total monthly salary
22*7200 + 32*7600 + 18*6900 + 16*8200 + 10*7800 + 12*7200 dollars.
Then divide this sum by the total number of employees
22 + 32 + 18 + 16 + 10 + 12.
Having these nice instructions, boldly go forward (!)