Answered

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There are 15 children at a birthday party.
The mean age of the 15 children is 7 years.
9 of the 15 chadren are boys.
The mean age of the boys is 5 years.
Work out the mean age of the girls.

Sagot :

ashundeiji45

Answer:

3

Hope this helps! Have a nice life and Good Luck!

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