4024/21 Oct/Nov 2025, Question 9: Exchange rates
Cambridge O Level Mathematics 4024 · Paper 21 (Calculator) · Calculator · 3 marks
اقرأ هذا الحل مشروحاً بالعربي ←
The question, in short
€1 = £0.88 and $1 = £x. Changing €500 into dollars gives $536.58. Find x.
Summarised in our own words. Use the official paper for the exact wording and any diagrams.
Solution · 3 marks
- 1€500 = 500 × 0.88 = £440
- 2$536.58 = £440, so $1 = 440 ÷ 536.58
- 3x = 0.8200… = 0.82
Answer0.82
Stuck on a step? Read the free lesson: Currency Conversions
Practise more exchange rates questions
Real 4024 past-paper questions, marked on your working like the exam, with a worked solution for every part.
Practise free on LemmaraMore past-paper questions on exchange rates
Also searched as: 4024/21/O/N/25 · 4024_w25_qp_21 · 4024 w25 21 · question 9.
Lemmara is an independent study tool, not affiliated with or endorsed by Cambridge International Education. The worked solutions are Lemmara’s own.