Question
A container can hold 61 ℓ of water. A tank can hold 9 more litres of water than the container. A barrel can hold 3 times as much water as the tank. If the barrel is 35 filled with water, how much more water is needed to fill the barrel completely?
4 m

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A container can hold 61 ℓ of water. A tank can hold 9 more litres of water than the container. A barrel can hold 3 times as much water as the tank. If the barrel is 35 filled with water, how much more water is needed to fill the barrel completely?