Question
The total mass of Warren and Eric is 173 kg. The total mass of Mark and Eric is 133 kg.
  1. How much heavier is Warren than Mark?
  2. If the total mass of the 3 boys is 233 kg, how heavy is Eric?
4 m
(a)

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(b)

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The total mass of Warren and Eric is 173 kg. The total mass of Mark and Eric is 133 kg.
  1. How much heavier is Warren than Mark?
  2. If the total mass of the 3 boys is 233 kg, how heavy is Eric?