The average salary of the entire staff in an office is 200 per day. The average salary of officers is 550 and that of non officers is 120. If the number of officers is 16, then find the number of non officers in the office.

The average salary of the entire staff in an office is 200 per day.

1.	The average salary of the entire staff in an office is 200 per day. The average salary of officers is 550 and that of non officers is 120. If the number of officers is 16, then find the number of non officers in the office.
A.	72
B.	60
C.	70
D.	65
Answer» D. 65

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The average salary of the entire staff in an office is 200 per day. The average salary of officers is 550 and that of non officers is 120. If the number of officers is 16, then find the number of non officers in the office.

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