6 L of water was poured into the aquarium, and it turned out that the aquarium was one-third full.

6 L of water was poured into the aquarium, and it turned out that the aquarium was one-third full. How much water is in the aquarium?

That is, six liters of water is only 1/3 of the water that this aquarium should fit. From this we conclude that three times more water is placed in the aquarium than six liters. We find out how many liters of water are in the aquarium by increasing the number six three times, that is, multiplying it by three:

6 liters * 3 times = 18 liters.

To summarize: the aquarium holds only eighteen liters of water.



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