Question
The total mass of Jaslyn, Wendy and Yoko is 22r kg. Jaslyn has a mass of 7r kg. Wendy is 4 kg heavier than Jaslyn.
  1. What is Yoko's mass in terms of r?
  2. If r = 12, what is Yoko's mass? 
3 m
(a)

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(b)

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The total mass of Jaslyn, Wendy and Yoko is 22r kg. Jaslyn has a mass of 7r kg. Wendy is 4 kg heavier than Jaslyn.
  1. What is Yoko's mass in terms of r?
  2. If r = 12, what is Yoko's mass?