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Mathematics, 12.03.2021 20:20 kitkatwolf

Jim gives the cashier a $20 bill at the pharmacy. Write an equation that relates the change c he gets back in dollars to the cost b, in dollars, of his purchases. Which variable represents the independent variable? How much change does he get back if his purchases total $12.83?

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Jim gives the cashier a $20 bill at the pharmacy. Write an equation that relates the change c he ge...
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