Question
Reggie has a mass of 6y kg. Billy is 3 kg heavier than Reggie. The mass of Zara is twice the total mass of Reggie and Billy.
  1. Find the total mass of the 3 children in terms of y.
  2. If y = 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

Reggie has a mass of 6y kg. Billy is 3 kg heavier than Reggie. The mass of Zara is twice the total mass of Reggie and Billy.
  1. Find the total mass of the 3 children in terms of y.
  2. If y = 2, find the average mass of the 3 children.