4MA1/2FR Jan 2022, 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 final amount when 7200 dollars is invested for 3 years at 2.5% compound interest per year, rounded to the nearest dollar.
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Solution · 3 marks
- 17200 × 1.025 = 7380
- 27380 × 1.025 = 7564.5
- 37564.5 × 1.025 = 7753.6125
- 47753.6125 ≈ 7754
Answer7754
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