Question
A rectangular container is filled with water to a height of 5 cm. Its rectangular base measures 40 cm by 18 cm. When 7.2 litres of water are poured into the container, the water level rises to 34 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 5 cm. Its rectangular base measures 40 cm by 18 cm. When 7.2 litres of water are poured into the container, the water level rises to 34 of the height of the container. Find the height of the container.