27 6 boys have a mean age of 10 years. 14 girls have a mean age of 5 years. Work out the mean age of all 20 children.

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Elbear asked Jan 20, 2022

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37 votes

27

6 boys have a mean age of 10 years.
14 girls have a mean age of 5 years.
Work out the mean age of all 20 children.

Mathematics
college

Elbear asked Jan 20, 2022

by Elbear

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6 votes

10+5 =15
15 divided by 2 = 7.5

Diego Martinoia answered Jan 21, 2022

by Diego Martinoia

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27 votes

not clear way ..... clear it

Ibenjelloun answered Jan 27, 2022

by Ibenjelloun

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