The mean age of 6 boys in a class is 12. Three new boys are admitted to the class. If the mean age of the class is now 13, What is the mean age of the three new boys?
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The mean age of 6 boys in a class is 12. Three new boys are admitted to the class. If the mean age of the class is now 13, What is the mean age of the three new boys?
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Answer:
sorry dont know okkkkkkkmm
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Answer:
the age is of class is 20 simple