Math 6

Question Analysis
This question tests the application of subtraction of real numbers in a real-world context.

Key Concept Explanation
Subtracting a smaller quantity from a larger quantity gives the remaining amount. In this case, subtracting the amount of juice used from the total amount gives the remaining amount.

Step-by-step Solution
1. Identify the total amount of juice: 7.5 liters.
2. Identify the amount used: 3.2 liters.
3. Subtract the used amount from the total amount:

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