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January 28, 2015

January 28, 2015

Posted by **billy bob** on Monday, April 19, 2010 at 6:29pm.

a. Assume depreciation is the same each month. Write a problem involving depreciation and solve it.

b. Develop a general formula for depreciation defining what each variable in the formula stands for.

- math 213 -
**Damon**, Monday, April 19, 2010 at 7:18pmThis is not straight line depreciation but a constant percentage depreciation per month.

let value after a month be d times value the month before. (like 0.97 or something)

Then value after n months = original value * d^n

for example if I buy a $500 appliance

and d = .97 per month

then after 2 years

value = 500(.97)^24

= 500(.481)

= $ 241

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