Question
A rectangular tank measuring in 45 cm by 15 cm by 20 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 45 cm by 15 cm by 20 cm is 15 filled with water. How much more litres of water is needed to fill the tank to 70% of the capacity?