Question

a start-up has 10 employees whose average age in 2010 was 45 years. in 2013, the two eldest employees retired at the age of 60 years each. In 2014, 3 new trainee employees with a combined age of 50 years joined the company. what is the average age of the company's employees in 2015?
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Answer 1

Answer:

I hope this helps. I have shown the calculations of all the years separately so that there is no confusion.