SOLUTION: The average age of 29 boys in the class is 14 years. When the age of the class teacher is included, the average becomes 15 years. The age of the class teacher is
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Question 1103705: The average age of 29 boys in the class is 14 years. When the age of the class teacher is included, the average becomes 15 years. The age of the class teacher is Answer by josgarithmetic(39617) (Show Source):