SOLUTION: A machine that costs 2,800 was sold for 600 after it had been used for five years. what was the average yearly decreased in value?

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Question 630732: A machine that costs 2,800 was sold for 600 after it had been used for five years. what was the average yearly decreased in value?
Answer by rmnavalta(7) About Me  (Show Source):
You can put this solution on YOUR website!
The machine's price decreased by 2,200 (2,800-600) in 5 years.
Per year, the average decreased...

average+yearly+decreased+=+%282800-600%29%2F5
average+yearly+decreased+=+%282200%29%2F5
average+yearly+decreased+=+440
Answer: The average yearly decreased was 440.