Question
A rectangular tank measuring in 45 cm by 20 cm by 30 cm is 310 filled with water. How much more litres of water is needed to fill the tank to 80% of the capacity?
3 m

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A rectangular tank measuring in 45 cm by 20 cm by 30 cm is 310 filled with water. How much more litres of water is needed to fill the tank to 80% of the capacity?