Question
A box of flour and a packet of bread flour have a mass of 4.86 kg. 3 similar boxes of flour and 2 similar packets of bread flour weigh 13 kg. What is the mass of 1 box of flour?
4 m

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A box of flour and a packet of bread flour have a mass of 4.86 kg. 3 similar boxes of flour and 2 similar packets of bread flour weigh 13 kg. What is the mass of 1 box of flour?