contestada

When a can of soup is half full it weighs 8kg. when it is two fifths full it weighs 7 kg. what is the weight of the full can?

Respuesta :

14 kg because 2/5 equals 0.4 and 0.1 equals about 1 kg so I add 0.6 which equals 6 kg so i add 8 kg to 6 kg and get 14 kg
I do not realy have a good answer but i do think it should be 16