SOLUTION: The value of a car is inversely proportional to its age. If a car is worth ​$6400 when it is 4 years​ old, how old will it be when it is worth $​3200​?

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Question 1040416: The value of a car is inversely proportional to its age. If a car is worth ​$6400 when it is 4 years​ old, how old will it be when it is worth $​3200​?
Answer by Boreal(15235) About Me  (Show Source):
You can put this solution on YOUR website!
worth=k/age
6400=k/4
k=25600
3200=25600/years
3200*y=25600
y=25600/3200=8 years old