SOLUTION: Solve. The equation V=-2000t+23,000 describes the value in dollars of a certain model of car after it is t years old. If a car is worth $7,000, find the age of the car.

Algebra ->  Customizable Word Problem Solvers  -> Misc -> SOLUTION: Solve. The equation V=-2000t+23,000 describes the value in dollars of a certain model of car after it is t years old. If a car is worth $7,000, find the age of the car.       Log On

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Question 880932: Solve.

The equation V=-2000t+23,000 describes the value in dollars of a certain model of car after it is t years old. If a car is worth $7,000, find the age of the car.
Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
V=-2000t+23,000


7000=-2000t+23,000


7000-23,000=-2000t


-16000=-2000t


-2000t = -16000


t = -16000/(-2000)


t = 8


The car is 8 years old.