Question
The total mass of Marion, Xuan and Usha is 22i kg. Marion has a mass of 4i kg. Xuan is 4 kg heavier than Marion.
  1. What is Usha's mass in terms of i?
  2. If i = 11, what is Usha's mass? 
3 m
(a)

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(b)

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The total mass of Marion, Xuan and Usha is 22i kg. Marion has a mass of 4i kg. Xuan is 4 kg heavier than Marion.
  1. What is Usha's mass in terms of i?
  2. If i = 11, what is Usha's mass?