SOLUTION: The problem is: A student sold his car for $4680. He made a 20% profit. What is the original price of the vehicle. I know the answer is $3900 but I can't understand how they com

Algebra ->  Percentages: Solvers, Trainers, Word Problems and pie charts -> SOLUTION: The problem is: A student sold his car for $4680. He made a 20% profit. What is the original price of the vehicle. I know the answer is $3900 but I can't understand how they com      Log On


   

Question 99005: The problem is:
A student sold his car for $4680. He made a 20% profit. What is the original price of the vehicle. I know the answer is $3900 but I can't understand how they come up with that answer.I came up with $3744 the first time I tried it but that is figuring the increase on the smaller number. HELP!!!
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
A student sold his car for $4680. He made a 20% profit. What is the original price of the vehicle. I know the answer is $3900 but I can't understand how they come up with that answer.
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Let the original price of the car be "x" dollars.
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EQUATION:
x + 0.20x =4680
1.2x = 4680
x = $3900
Cheers,
Stan H.