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0580/23 May/Jun 2025, Question 18: Rearranging Formulas

Cambridge IGCSE Mathematics 0580 · Paper 23 (Extended) · Non-calculator · 4 marks

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The question, in short

Rearrange the formula 2 = (m(1 − t))/(pt) to make t the subject.

Summarised in our own words. Use the official paper for the exact wording and any diagrams.

Solution · 4 marks

  1. 12pt = m(1 − t)
  2. 22pt = m − mt
  3. 32pt + mt = m
  4. 4t(2p + m) = m
  5. 5t = m/(2p + m)

Answerm/(2p + m)

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Also searched as: 0580/23/M/J/25 · 0580_s25_qp_23 · 0580 s25 23 · question 18.
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