Mathematics, 21.05.2021 01:00, jackie6852

The mean age of 12 women in an office is 30 years old. The mean age of 6 men in an office is 25 years old.
What is the mean age (nearest year) of all the people in the office?

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The mean age of 12 women in an office is 30 years old. The mean age of 6 men in an office is 25 yea...