SOLUTION: Please help me solve this word problem: As a car ages, it's value decreases. The value of a particular car with an original purchase price of $25,600 is modeled by the function c

Algebra ->  Exponential-and-logarithmic-functions -> SOLUTION: Please help me solve this word problem: As a car ages, it's value decreases. The value of a particular car with an original purchase price of $25,600 is modeled by the function c      Log On


   



Question 1104550: Please help me solve this word problem:
As a car ages, it's value decreases. The value of a particular car with an original purchase price of $25,600 is modeled by the function c(t)=25,600(1-0.22)^t, where c is the value at the time t. How old is the car when its value is $10,000? Round your answer to two decimal places.

Answer by josgarithmetic(39620) About Me  (Show Source):
You can put this solution on YOUR website!
10000%2F25600=0.88%5Et
Simplify and find logs of both sides...