a kettel is a third full. 750ml is added to fill it up to three quauters full what is the capasity of the of the kettle
Since 750ml was needed to go from 1/3 full to 3/4 full, we have 3/4 - 1/3 =5/12
Therefore 12/5 X 750=1,800ml-would fill the kettle.
