Question
The total mass of Tom and Oscar is 71.3 kg. The total mass of Oscar and Zane is 46.1 kg. If the total mass of Tom and Zane is 70 kg, find the mass of Zane.
4 m

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The total mass of Tom and Oscar is 71.3 kg. The total mass of Oscar and Zane is 46.1 kg. If the total mass of Tom and Zane is 70 kg, find the mass of Zane.