Question
The total mass of John and Ken is 177 kg. The total mass of Howard and Ken is 133 kg.
  1. How much heavier is John than Howard?
  2. If the total mass of the 3 boys is 250 kg, how heavy is Ken?
4 m
(a)

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(b)

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The total mass of John and Ken is 177 kg. The total mass of Howard and Ken is 133 kg.
  1. How much heavier is John than Howard?
  2. If the total mass of the 3 boys is 250 kg, how heavy is Ken?