Question
The total mass of Abi, Natalie and Fanny is 39v kg. Abi has a mass of 5v kg. Natalie is 4 kg heavier than Abi.
  1. What is Fanny's mass in terms of v?
  2. If v = 13, what is Fanny's mass? 
3 m
(a)

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(b)

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The total mass of Abi, Natalie and Fanny is 39v kg. Abi has a mass of 5v kg. Natalie is 4 kg heavier than Abi.
  1. What is Fanny's mass in terms of v?
  2. If v = 13, what is Fanny's mass?