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A machinist's salary at a factory increases by $2,000 at the

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A machinist's salary at a factory increases by $2,000 at the end of each full year the machinist works. If the machinist's salary for the fifth year is $39,000, what is the machinist's average annual salary for his first 21 years at the factory?
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jlgdr wrote:
A machinist's salary at a factory increases by $2,000 at the end of each full year the machinist works. If the machinist's salary for the fifth year is $39,000, what is the machinist's average annual salary for his first 21 years at the factory?


The average salary = the median salary = {11th year} = {5th year} + 6*2,000 = 39,000 + 12,000 = 51,000.
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New post 26 Aug 2016, 12:55
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Re: A machinist's salary at a factory increases by $2,000 at the   [#permalink] 26 Aug 2016, 12:55
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