Question
The total mass of 3 boxes of pineapples is 21 kg. Box V has a mass of 812 kg and Box W has a mass of 9310 kg. What is the mass of Box X?
2 m

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The total mass of 3 boxes of pineapples is 21 kg. Box V has a mass of 812 kg and Box W has a mass of 9310 kg. What is the mass of Box X?