Question
Simon has a mass of 7z kg. Carl is 4 kg heavier than Simon. The mass of Lynn is twice the total mass of Simon and Carl.
  1. Find the total mass of the 3 children in terms of z.
  2. If z = 2, find the average mass of the 3 children.
2 m
(a)

Click button first when a symbol is required. X

(b)

Click button first when a symbol is required. X

Simon has a mass of 7z kg. Carl is 4 kg heavier than Simon. The mass of Lynn is twice the total mass of Simon and Carl.
  1. Find the total mass of the 3 children in terms of z.
  2. If z = 2, find the average mass of the 3 children.