Mathematics, 07.07.2020 02:01 ineedhelpplz40
The mean age of 10 women in an office is 31 years old. The mean age of 3 men in an office is 20 years old. What is the mean age (nearest year) of all the people in the office?
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The mean age of 10 women in an office is 31 years old. The mean age of 3 men in an office is 20 year...
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