4MA1/2HR Jan 2019, Question 9: Compound Interest
Pearson Edexcel International GCSE Mathematics A 4MA1 · Paper 2HR (Higher) · Calculator · 3 marks
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The question, in short
Calculate the total compound interest earned on 6000 dirhams invested for 4 years at 1.5% per year, rounded to the nearest dirham.
Summarised in our own words. Use the official paper for the exact wording and any diagrams.
Solution · 3 marks
- 1Multiplier for 1.5% interest is 1.015
- 26000 × 1.015⁴ = 6368.18…
- 3Interest = 6368.18 − 6000 = 368.18…
- 4To the nearest dirham: 368
Answer368
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