Question
The total mass of Pierre and Henry is 42.6 kg. The total mass of Henry and Simon is 52.8 kg. If the total mass of Pierre and Simon is 50 kg, find the mass of Simon.
4 m

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The total mass of Pierre and Henry is 42.6 kg. The total mass of Henry and Simon is 52.8 kg. If the total mass of Pierre and Simon is 50 kg, find the mass of Simon.