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?

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

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

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

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

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

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