Question

The average age of a class of 33 students is 13 years. If one girl leaves the class the average becomes
What is the age of the girl?
12
years​

Answer 1

Step-by-step explanation:

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Answer 2

Answer:

so

Step-by-step explanation:

It will becomes less than 33 because we have to find 12 years but we have already have 13 years