Question
The total mass of Betty, Zara and Anna is 39m kg. Betty has a mass of 5m kg. Zara is 8 kg heavier than Betty.
  1. What is Anna's mass in terms of m?
  2. If m = 9, what is Anna's mass? 
3 m
(a)

Click button first when a symbol is required. X

(b)

Click button first when a symbol is required. X

The total mass of Betty, Zara and Anna is 39m kg. Betty has a mass of 5m kg. Zara is 8 kg heavier than Betty.
  1. What is Anna's mass in terms of m?
  2. If m = 9, what is Anna's mass?