Question
The total mass of Liam and Albert is 43 kg. The total mass of Albert and Bobby is 51.4 kg. If the total mass of Liam and Bobby is 51 kg, find the mass of Bobby.
4 m

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The total mass of Liam and Albert is 43 kg. The total mass of Albert and Bobby is 51.4 kg. If the total mass of Liam and Bobby is 51 kg, find the mass of Bobby.