Question
A rectangular tank measuring in 40 cm by 20 cm by 25 cm is 25 filled with water. How much more litres of water is needed to fill the tank to 90% of the capacity?
3 m

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A rectangular tank measuring in 40 cm by 20 cm by 25 cm is 25 filled with water. How much more litres of water is needed to fill the tank to 90% of the capacity?