4MA1/1HR Jun 2020, Question 8: Compound Interest
Pearson Edexcel International GCSE Mathematics A 4MA1 · Paper 1HR (Higher) · Calculator · 3 marks
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The question, in short
Work out an antique clock's value 3 years after purchase, given a starting price of £1200 and 8% yearly growth, rounded to the nearest £.
Summarised in our own words. Use the official paper for the exact wording and any diagrams.
Solution · 3 marks
- 11.08 × 1200 = 1296
- 21.08 × 1296 = 1399.68
- 31.08 × 1399.68 = 1511.6544
- 41511.6544 ≈ 1512
Answer1512
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