Mathematics, 21.11.2020 14:00 Christsflower601
The average age of 40 students of a class is 15 years. An 18 year-old student left the class and a new student was admitted. As a result the average age fell to 14.885 years. Find the age of the new student.
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The average age of 40 students of a class is 15 years. An 18 year-old student left the class and a n...
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