Final answer:
Option C, 6.336 quarts, is equal to 6 liters.
Step-by-step explanation:
Let's convert 6 liters to each unit and see which one matches:
- A. 5.84 gallons: 1 gallon ≈ 3.79 liters → 5.84 gallons ≈ 5.84 × 3.79 = 22.1356 liters
- B. 22.71 gallons: 1 gallon ≈ 3.79 liters → 22.71 gallons ≈ 22.71 × 3.79 = 86.1309 liters
- C. 6.336 quarts: 1 quart = 0.946352946 liters → 6.336 quarts = 6.336 × 0.946352946 = 6 liters
- D. 64 fluid oz: 1 ounce ≈ 0.0295735 liter → 64 fluid oz ≈ 64 × 0.0295735 = 1.8929712 liters
Therefore, only option C (6.336 quarts) is equal to 6 liters.