Question
A bottle can hold 25 ℓ of water. A tank can hold 15 more litres of water than the bottle. A barrel can hold 5 times as much water as the tank. If the barrel is 12 filled with water, how much more water is needed to fill the barrel completely?
4 m

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A bottle can hold 25 ℓ of water. A tank can hold 15 more litres of water than the bottle. A barrel can hold 5 times as much water as the tank. If the barrel is 12 filled with water, how much more water is needed to fill the barrel completely?