Question
A rectangular tank measuring in 50 cm by 25 cm by 30 cm is 15 filled with water. How much more litres of water is needed to fill the tank to 70% of the capacity?
3 m

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A rectangular tank measuring in 50 cm by 25 cm by 30 cm is 15 filled with water. How much more litres of water is needed to fill the tank to 70% of the capacity?