4MA1/2FR Jan 2020, Question 22: Compound Interest
Pearson Edexcel International GCSE Mathematics A 4MA1 · Paper 2FR (Foundation) · Calculator · 3 marks
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The question, in short
Calculate the value of a $20 000 car after 3 years if it depreciates by 19% annually, rounding to the nearest dollar.
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Solution · 3 marks
- 120000 × 0.81 = 16200
- 216200 × 0.81 = 13122
- 313122 × 0.81 = 10628.82
- 410628.82 → 10629
Answer10 629
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