![Randomkid0973](/avatars/25306.jpg)
Randomkid0973
23.11.2020 •
Mathematics
E
Decorate your block with red tape, foenem slidin' every day
Bunch o' hollows spittin' out the Glo**
I've been servin' fiends all day, out there posted with the gang
, we was taught to get it off the block
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Ответ:
Aye polo g 21
Step-by-step explanation:
Ответ:
This problem is an example of when we need to take a weighted average. We simply can't just find the average of 5 and 8, because there are different children of each each.
To start, lets multiply the total number of children by their individual ages.
6 x 5 = 30 years
14 x 8 = 112 years
There are 142 years among the 20 years, so divide 142 by 20. This gives us an average age of 7.1 years.