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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.

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.

asked
User M Shahzad Khan
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8.3k points

2 Answers

3 votes
10+5 =15
15 divided by 2 = 7.5
answered
User Serhii Londar
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7.7k points
5 votes

not clear way ..... clear it

answered
User VictorCreator
by
7.2k points
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