Question
The total mass of Zara and Jack is 90 kg. Zara weighs 30 kg more than Jack.
  1. Find Jack's mass.
  2. Express Jack's mass as a fraction of Zara's mass in its simplest form.
4 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 Zara and Jack is 90 kg. Zara weighs 30 kg more than Jack.
  1. Find Jack's mass.
  2. Express Jack's mass as a fraction of Zara's mass in its simplest form.