Posted by **Hasane** on Saturday, March 16, 2013 at 1:56pm.

Value of a new car depreciates at a rate of 12% per year.

Approximately how many years will it take until the car is worth $2300?

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**Ms. Sue**, Saturday, March 16, 2013 at 2:05pm
What is the cost of the new car?

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**Hasane**, Saturday, March 16, 2013 at 2:06pm
$23000, forgot.

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**Hasane**, Saturday, March 16, 2013 at 2:16pm
i will repost

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**Damon**, Saturday, March 16, 2013 at 2:17pm
original value = 23,000

23,000 * .88^n = 2,300

.88 ^ n = .1

n log .88 = log .1

n = log .1 / log .88 =

n = 18 years

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**Hasane**, Saturday, March 16, 2013 at 2:19pm
is there a way to do this without using logarithms?

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**Hasane**, Saturday, March 16, 2013 at 2:20pm
and thx btw.

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**Damon**, Saturday, March 16, 2013 at 2:21pm
Nope, except trial and error

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