SOLUTION: A used-car dealer sells an automobile for $5,200 and makes a 30% markup on the deal. What did the dealer pay for the car?

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Question 213052: A used-car dealer sells an automobile for $5,200 and makes a 30% markup on the deal. What did the dealer pay for the car?
Answer by Earlsdon(6294) About Me  (Show Source):
You can put this solution on YOUR website!
Let x = the dealer's cost, then:
x%2B0.3x+=+5200 Factor an x from the left side.
x%281.3%29+=+5200 Divide both sides by 1.3
x+=+4000
The dealer paid $4,000.00 for the car.