Question
The mass of a box when it is 15 full is 5.31 kg. The mass of a box when it is half full is 8.61 kg. What is the mass of the box when it is empty?
4 m

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The mass of a box when it is 15 full is 5.31 kg. The mass of a box when it is half full is 8.61 kg. What is the mass of the box when it is empty?