amaliacornea178 amaliacornea178

02-03-2021
Mathematics

contestada

The mean age of 12 women in an office is 19 years old.
The mean age of 6 men in an office is 28 years old.
What is the mean age (nearest year) of all the people in the office?

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beansbeansbeanss beansbeansbeanss

02-03-2021

Think it’s 22
12 x 19 =228
6x28=168
228+168=396
12+6=18
396/18=22

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