Question
The total mass of Lee and Will is 172 kg. The total mass of Jack and Will is 150 kg.
  1. How much heavier is Lee than Jack?
  2. If the total mass of the 3 boys is 260 kg, how heavy is Will?
4 m
(a)

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(b)

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The total mass of Lee and Will is 172 kg. The total mass of Jack and Will is 150 kg.
  1. How much heavier is Lee than Jack?
  2. If the total mass of the 3 boys is 260 kg, how heavy is Will?