Question
The mass of a box and one box of potatoes is 1290 g. The mass of the same box and 5 similar boxes of potatoes is 2810 g. What is the mass of a box of potatoes?
4 m

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The mass of a box and one box of potatoes is 1290 g. The mass of the same box and 5 similar boxes of potatoes is 2810 g. What is the mass of a box of potatoes?