Question
The total mass of Betty and Oliver is 146 kg. Betty weighs 30 kg more than Oliver.
  1. Find Oliver's mass.
  2. Express Oliver's mass as a fraction of Betty's mass in its simplest form.
4 m
(a)

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(b)

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The total mass of Betty and Oliver is 146 kg. Betty weighs 30 kg more than Oliver.
  1. Find Oliver's mass.
  2. Express Oliver's mass as a fraction of Betty's mass in its simplest form.