Question
The total mass of Tim and Brandon is 165 kg. The total mass of David and Brandon is 143 kg.
  1. How much heavier is Tim than David?
  2. If the total mass of the 3 boys is 242 kg, how heavy is Brandon?
4 m
(a)

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(b)

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The total mass of Tim and Brandon is 165 kg. The total mass of David and Brandon is 143 kg.
  1. How much heavier is Tim than David?
  2. If the total mass of the 3 boys is 242 kg, how heavy is Brandon?