Question
The total mass of Seth and Rael is 63.7 kg. The total mass of Rael and Ken is 51.9 kg. If the total mass of Seth and Ken is 56 kg, find the mass of Ken.
4 m

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The total mass of Seth and Rael is 63.7 kg. The total mass of Rael and Ken is 51.9 kg. If the total mass of Seth and Ken is 56 kg, find the mass of Ken.