Question
The total mass of 3 boxes of lemons is 19 kg. Box B has a mass of 313 kg and Box C has a mass of 112 kg. What is the mass of Box D?
2 m

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The total mass of 3 boxes of lemons is 19 kg. Box B has a mass of 313 kg and Box C has a mass of 112 kg. What is the mass of Box D?