Question
The following tank has a square base of side 20 cm. It is filled with water to a height of 9 cm. If 22 ℓ more of water is needed to fill the tank completely, what is the height of the tank?
3 m

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The following tank has a square base of side 20 cm. It is filled with water to a height of 9 cm. If 22 ℓ more of water is needed to fill the tank completely, what is the height of the tank?