Question
The total mass of Lee and Billy is 56.5 kg. The total mass of Billy and Charlie is 62.3 kg. If the total mass of Lee and Charlie is 63 kg, find the mass of Charlie.
4 m

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The total mass of Lee and Billy is 56.5 kg. The total mass of Billy and Charlie is 62.3 kg. If the total mass of Lee and Charlie is 63 kg, find the mass of Charlie.