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April 20, 2014

Homework Help: math

Posted by Jane on Monday, May 7, 2012 at 5:07pm.

The value of a $20,000 car decreases every year, t. The equation below models this situation.

20000(1 - 0.04t) = 13,000

After how many years will the car be worth $13,000? Round to the nearest tenth if necessary.

I was instructed that the answer is
t = 8.75. How do I set it up and solve it?

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