Question
A rectangular tank is filled with water to a height of 10 cm. Its rectangular base measures 45 cm by 10 cm. When 13.5 litres of water are poured into the tank, the water level rises to 45 of the height of the tank. Find the height of the tank.
3 m

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A rectangular tank is filled with water to a height of 10 cm. Its rectangular base measures 45 cm by 10 cm. When 13.5 litres of water are poured into the tank, the water level rises to 45 of the height of the tank. Find the height of the tank.