Question
The total mass of Ryan and Harry is 58.6 kg. The total mass of Harry and Sam is 56 kg. If the total mass of Ryan and Sam is 57 kg, find the mass of Sam.
4 m

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The total mass of Ryan and Harry is 58.6 kg. The total mass of Harry and Sam is 56 kg. If the total mass of Ryan and Sam is 57 kg, find the mass of Sam.