0580/22 Oct/Nov 2024, Question 15: Compound Interest
Cambridge IGCSE Mathematics 0580 · Paper 22 (Extended) · Calculator · 2 marks
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The question, in short
Starting with 40 000 bacteria growing at 15% per hour, calculate the population after 3 hours.
Summarised in our own words. Use the official paper for the exact wording and any diagrams.
Solution · 2 marks
- 140 000 × (1 + 15/100)³ = 40 000 × 1.15³
- 2= 60 835
Answer60835
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