Question
9 identical 3-cm cubes are placed in an empty rectangular tank of length 74 cm and width 28 cm. The tank is then filled with water from a tap flowing at a rate of 7 litres per minute. It takes 12 minutes to fill up 35 of the tank. What is the height of the tank? Correct your answer to 1 decimal place.
3 m

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9 identical 3-cm cubes are placed in an empty rectangular tank of length 74 cm and width 28 cm. The tank is then filled with water from a tap flowing at a rate of 7 litres per minute. It takes 12 minutes to fill up 35 of the tank. What is the height of the tank? Correct your answer to 1 decimal place.