Equation of a LineACT math questions

    2017 December(A10) Math Question 6

    Equation of a Line

    - Fixed Cost + Variable Cost

    6. Ming purchased a car that had a purchase price of $5,400, which included all other costs and tax. She paid $1,000 as a down payment and got a loan for the rest of the purchase price. Ming paid off the loan by making 28 payments of $200 each. The total of all her payments, including the down payment, was how much more than the car's purchase price?
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