Question
The total mass of Glen and Vincent is 59.9 kg. The total mass of Vincent and Charlie is 50.1 kg. If the total mass of Glen and Charlie is 55 kg, find the mass of Charlie.
4 m

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The total mass of Glen and Vincent is 59.9 kg. The total mass of Vincent and Charlie is 50.1 kg. If the total mass of Glen and Charlie is 55 kg, find the mass of Charlie.