Question
The total mass of 3 boxes of papayas is 18 kg. Box P has a mass of 712 kg and Box Q has a mass of 158 kg. What is the mass of Box R?
2 m

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The total mass of 3 boxes of papayas is 18 kg. Box P has a mass of 712 kg and Box Q has a mass of 158 kg. What is the mass of Box R?