4MA1/2HR Jun 2023, Question 13: Compound Interest
Pearson Edexcel International GCSE Mathematics A 4MA1 · Paper 2HR (Higher) · Calculator · 3 marks
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The question, in short
Feruzi invests 80000 KES for 3 years at x% compound interest annually, receiving 6151.25 KES total interest; work out x.
Summarised in our own words. Use the official paper for the exact wording and any diagrams.
Solution · 3 marks
- 180000 + 6151.25 = 86151.25
- 286151.25 / 80000 = 1.076890625
- 3∛1.076890625 = 1.025
- 41.025 − 1 = 0.025
- 50.025 × 100 = 2.5
Answer2.5
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