Question
Luis has a mass 57 kg. Howard is 2 kg heavier than Luis and Warren is 13 kg lighter than Howard.
  1. What is the mass of Warren?
  2. What is the total mass of the three students?
4 m
(a)

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(b)

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Luis has a mass 57 kg. Howard is 2 kg heavier than Luis and Warren is 13 kg lighter than Howard.
  1. What is the mass of Warren?
  2. What is the total mass of the three students?