Question
The total mass of Tommy and Zeph is 186 kg. The total mass of Vaidev and Zeph is 144 kg.
  1. How much heavier is Tommy than Vaidev?
  2. If the total mass of the 3 boys is 247 kg, how heavy is Zeph?
4 m
(a)

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(b)

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The total mass of Tommy and Zeph is 186 kg. The total mass of Vaidev and Zeph is 144 kg.
  1. How much heavier is Tommy than Vaidev?
  2. If the total mass of the 3 boys is 247 kg, how heavy is Zeph?