Question
The total mass of Ivory, Olivium and Usha is 30i kg. Ivory has a mass of 7i kg. Olivium is 8 kg heavier than Ivory.
  1. What is Usha's mass in terms of i?
  2. If i = 10, what is Usha's mass? 
3 m
(a)

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(b)

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The total mass of Ivory, Olivium and Usha is 30i kg. Ivory has a mass of 7i kg. Olivium is 8 kg heavier than Ivory.
  1. What is Usha's mass in terms of i?
  2. If i = 10, what is Usha's mass?