Question
The total mass of Oscar and Oliver is 187 kg. The total mass of Ryan and Oliver is 133 kg.
  1. How much heavier is Oscar than Ryan?
  2. If the total mass of the 3 boys is 247 kg, how heavy is Oliver?
4 m
(a)

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(b)

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The total mass of Oscar and Oliver is 187 kg. The total mass of Ryan and Oliver is 133 kg.
  1. How much heavier is Oscar than Ryan?
  2. If the total mass of the 3 boys is 247 kg, how heavy is Oliver?