# The value of a car decreases at an annual rate of 9.9%. It is currently worth $15000. When will the car be worth $100?

##### 1 Answer

The car will be worth $100 after 48 years and 23 days.

#### Explanation:

To decrease a number

Be

Therefore, the car's value on year

You want to know when the value will drop to $100, so you must solve this equation:

Turn the power into a factor with the