SOLUTION: Average age of students of an adult school is 40 years. 120 new students whose average age is 32 years joined the school. As a result the average age is decreased by 4 years.Find
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Question 478174: Average age of students of an adult school is 40 years. 120 new students whose average age is 32 years joined the school. As a result the average age is decreased by 4 years.Find the number of students of the school after joining of the new students: Answer by scott8148(6628) (Show Source):
