Mathematics
Mathematics, 13.07.2020 22:01, Kikilcaro9675

The mean length of 4 childrens' big finger is 14cm. The mean length of 9 adults' big finger is 16.1cm. What is the mean length (rounded to 2 DP) of these 13 people's big finger?

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The mean length of 4 childrens' big finger is 14cm. The mean length of 9 adults' big finger is 16.1c...

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