Question
A box containing 50 notebooks had a mass of 8.19 kg. A box containing 25 punchers has a mass of 11.94 kg. The mass of each puncher was thrice that of each notebook. Find the mass of the empty box in grams.
4 m

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A box containing 50 notebooks had a mass of 8.19 kg. A box containing 25 punchers has a mass of 11.94 kg. The mass of each puncher was thrice that of each notebook. Find the mass of the empty box in grams.