Question
The mass of a box and one bag of yams is 1310 g. The mass of the same box and 3 similar bags of yams is 2990 g. What is the mass of a bag of yams?
4 m

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The mass of a box and one bag of yams is 1310 g. The mass of the same box and 3 similar bags of yams is 2990 g. What is the mass of a bag of yams?