Question 161382: CAN SOMEONE PLEASE HELP ME WITH THIS PROBLEM:
The equation V = -2000t + 20,000 describes the value in dollars of a certain model of car after it is t years old. If a car is worth $12,000, substitute 12,000 into the equation to find the age of the car.
Answer by checkley77(12844)   (Show Source):
You can put this solution on YOUR website! V = -2000t + 20,000
12,000=-2,000t+20,000
2,000t=20,000-12,000
2,000t=8,000
t=8,000/2,000
t=4 years.
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