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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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2 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.

User M Shahzad Khan
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2 Answers

3 votes
10+5 =15
15 divided by 2 = 7.5
User Serhii Londar
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4.2k points
5 votes

not clear way ..... clear it

User VictorCreator
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