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Mandy is looking over her credit card statements from the past couple of months. There is a balance of this month, which is less than last month. What was the balance last month?____
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Q. Mandy is looking over her credit card statements from the past couple of months. There is a balance of this month, which is less than last month. What was the balance last month?____
- Define Previous Month's Balance: Define the previous month's balance as . Current balance is less than last month, so: Current balance = =
- Set Up Equation: We know the current balance is . Set up the equation based on the expression from Step :
- Simplify and Solve: Simplify and solve for .
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