Question
The total mass of Neave and Bobby is 165 kg. The total mass of Vincent and Bobby is 122 kg.
  1. How much heavier is Neave than Vincent?
  2. If the total mass of the 3 boys is 242 kg, how heavy is Bobby?
4 m
(a)

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(b)

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The total mass of Neave and Bobby is 165 kg. The total mass of Vincent and Bobby is 122 kg.
  1. How much heavier is Neave than Vincent?
  2. If the total mass of the 3 boys is 242 kg, how heavy is Bobby?