SOLUTION: The price of computers has been dropping steadily for the past ten years. If a desktop PC cost $6,000 ten years ago, and the same computing power cost $1,100 three years ago, find
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Question 313252: The price of computers has been dropping steadily for the past ten years. If a desktop PC cost $6,000 ten years ago, and the same computing power cost $1,100 three years ago, find the rate of decrease per year. (Assume a straight-line model Answer by checkley77(12844) (Show Source):
You can put this solution on YOUR website! (-10,6,000) (-3,1,100)
Slope=(1,100-6,000)/(-3+10)
Slope=-4,900/7
Slope=$-700 per year is the decrease in price.