Lemmara logoLemmaraWorked solution

0580/42 May/Jun 2025, Question 11: Reverse Percentages

Cambridge IGCSE Mathematics 0580 · Paper 42 (Extended) · Calculator · 2 marks

اقرأ هذا الحل مشروحاً بالعربي ←

The question, in short

A shirt's price is cut by 15% in a sale, giving a sale price of $23.63. Find the shirt's original price.

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

Solution · 2 marks

  1. 1Sale price = 85% of the original
  2. 2X × 0.85 = 23.63
  3. 3X = 23.63 ÷ 0.85 = $27.80

Answer27.80

Stuck on a step? Read the free lesson: Reverse Percentages

Practise more reverse percentages questions

Real 0580 past-paper questions, marked on your working like the exam, with a worked solution for every part.

Practise free on Lemmara

More past-paper questions on reverse percentages

Also searched as: 0580/42/M/J/25 · 0580_s25_qp_42 · 0580 s25 42 · question 11.
Lemmara is an independent study tool, not affiliated with or endorsed by Cambridge International Education. The worked solutions are Lemmara’s own.