SOLUTION: A car was worth $18,000 when it was 1 year old. It was worth $16,000 when it was 3 years old. If the age of the car and its worth have a linear relationship,how much will the car

Algebra ->  Coordinate Systems and Linear Equations  -> Linear Equations and Systems Word Problems -> SOLUTION: A car was worth $18,000 when it was 1 year old. It was worth $16,000 when it was 3 years old. If the age of the car and its worth have a linear relationship,how much will the car      Log On


   

Question 429613: A car was worth $18,000 when it was 1 year old. It was worth $16,000 when it was 3 years old. If the age of the car and its worth have a linear relationship,how much will the car be worth when it it is 15 years old?
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!


Hi

(1,18,000)

(3,16,000)  m = -2000/2 = -1000 per year depreciation rate

 New it was worth $19,000

Worth at 15 years old = $19,000-$15,000  = $4,000