Question
The total mass of Mark and Peter is 174 kg. The total mass of Flynn and Peter is 147 kg.
  1. How much heavier is Mark than Flynn?
  2. If the total mass of the 3 boys is 240 kg, how heavy is Peter?
4 m
(a)

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(b)

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The total mass of Mark and Peter is 174 kg. The total mass of Flynn and Peter is 147 kg.
  1. How much heavier is Mark than Flynn?
  2. If the total mass of the 3 boys is 240 kg, how heavy is Peter?