Question
The mass of a box and one bag of sweet potatoes is 1220 g. The mass of the same box and 3 similar bags of sweet potatoes is 2440 g. What is the mass of a bag of sweet potatoes?
4 m

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The mass of a box and one bag of sweet potatoes is 1220 g. The mass of the same box and 3 similar bags of sweet potatoes is 2440 g. What is the mass of a bag of sweet potatoes?