Question
Cody has a mass of 5k kg. Brandon is 4 kg heavier than Cody. The mass of Xuan is thrice the total mass of Cody and Brandon.
  1. Find the total mass of the 3 children in terms of k.
  2. If k = 2, find the average mass of the 3 children.
2 m
(a)

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(b)

Click button first when a symbol is required. X

Cody has a mass of 5k kg. Brandon is 4 kg heavier than Cody. The mass of Xuan is thrice the total mass of Cody and Brandon.
  1. Find the total mass of the 3 children in terms of k.
  2. If k = 2, find the average mass of the 3 children.