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0580/31 May/Jun 2026, Question 5: Expressing One Quantity as a Percentage

Cambridge IGCSE Mathematics 0580 · Paper 31 (Core) · Calculator · 3 marks

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The question, in short

Using the bar chart of book sales by type, find the percentage of the day's books that were cookery books.

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

Solution · 3 marks

  1. 1Frequencies: cookery 9, sport 4, wildlife 5, fiction 7
  2. 2Total = 9 + 4 + 5 + 7 = 25
  3. 39/25 × 100 = 36%

Answer36

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