Question
A rectangular tank measuring in 60 cm by 15 cm by 20 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 60 cm by 15 cm by 20 cm is 310 filled with water. How much more litres of water is needed to fill the tank to 80% of the capacity?