Answer :

Final answer:

To fill the tank, 8 barrels of water are needed.

Explanation:

To find out how many barrels of water are needed to fill the tank, we need to convert the volume of the tank from liters to milliliters. 6L is equal to 6000mL. Now, we divide the volume of the tank (6000mL) by the volume of one barrel of water (750mL) to find out how many barrels are needed.

6000mL ÷ 750mL = 8 barrels

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