Question
A rectangular container is filled with water to a height of 10 cm. Its rectangular base measures 40 cm by 18 cm. When 36 litres of water are poured into the container, the water level rises to 23 of the height of the container. Find the height of the container.
3 m

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A rectangular container is filled with water to a height of 10 cm. Its rectangular base measures 40 cm by 18 cm. When 36 litres of water are poured into the container, the water level rises to 23 of the height of the container. Find the height of the container.