Question
A rectangular container measuring 30 cm by 20 cm by 21 cm is 19 filled with water. How much more water is needed to fill the container to its brim? Leave your answer in ℓ.
2 m

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A rectangular container measuring 30 cm by 20 cm by 21 cm is 19 filled with water. How much more water is needed to fill the container to its brim? Leave your answer in ℓ.