Question
The total mass of Risa, Jade and Kimberly is 39m kg. Risa has a mass of 4m kg. Jade is 6 kg heavier than Risa.
  1. What is Kimberly's mass in terms of m?
  2. If m = 11, what is Kimberly's mass? 
3 m
(a)

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(b)

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The total mass of Risa, Jade and Kimberly is 39m kg. Risa has a mass of 4m kg. Jade is 6 kg heavier than Risa.
  1. What is Kimberly's mass in terms of m?
  2. If m = 11, what is Kimberly's mass?