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| Question 121548:  Can you please help me with this application problem?
 The equation V= -3000t + 22,000 describes the value in dollars of a certain model of car after it is t years old. If a car is worth $13,000 substitute 13,000 into the equation to find the age of the car. Show equation and solve.
 Answer by algebrapro18(249)
      (Show Source): 
You can put this solution on YOUR website! all you need to do is plug 13,000 in vor v and solve for t. 
 13,000 = -3000t + 22,000 --> subtract 22,000 from both sides
 -9,000 = -300t --> divide both sides by -300
 30 = t
 
 so the car is 30 years old.
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