Question
The total mass of Julian and Archie is 67.4 kg. The total mass of Archie and Fred is 53 kg. If the total mass of Julian and Fred is 66 kg, find the mass of Fred.
4 m

Click button first when a symbol is required. X

The total mass of Julian and Archie is 67.4 kg. The total mass of Archie and Fred is 53 kg. If the total mass of Julian and Fred is 66 kg, find the mass of Fred.