0580/33 May/Jun 2025, Question 13: Percentage Increases and Decreases

Cambridge IGCSE Mathematics 0580 · Paper 33 (Core) · Calculator · 4 marks

The question, in short

Using May profit $542 and June profit $600, work out a percentage increase, a charity share of 2/5 of May's profit, and 38% of June's profit spent on a fridge.

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

Part (a) · 2 marks

Calculate the percentage increase in profit from May to June using $542 and $600.

1Increase = 600 − 542 = 58
258/542 × 100 = 10.70… ≈ 10.7%

Answer10.7 or 10.70…

Part (b) · 1 mark

Find the charity amount given as 2/5 of the $542 May profit.

12/5 × 542 = $216.80

Answer216.8

Part (c) · 1 mark

Find the fridge amount, which is 38% of the $600 June profit.

138/100 × 600 = $228

Answer228

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