Please help find the rate of decrease? 10 points
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Please help find the rate of decrease? 10 points

[From: ] [author: ] [Date: 12-05-11] [Hit: ]
700 10 years ago, and the same computing power cost $300 2 years ago, find the rate of decrease per year. (Assume a straight line model. Round your answer to the nearest cent.so the rate of decrease is -675.......
The price of computers has been dropping for the past ten years. If a desktop PC cost $5,700 10 years ago, and the same computing power cost $300 2 years ago, find the rate of decrease per year. (Assume a straight line model. Round your answer to the nearest cent.)

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y= -675x+5700
so the rate of decrease is -675.

( to find the equation i did (5700-300)/8
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