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Practice | IGCSE Math

Cambridge IGCSE 0580 Mathematics

Question
A colony of bacteria has a population of 5000.
Each hour the population increases by 8%.
(a)Calculate the population after 6 hours. Give your answer correct to the nearest whole number.
(b)Find the smallest whole number of hours after which the population first exceeds 10 000.
[4 marks]
This question has 2 parts. You don't have to get them all — each part you answer earns its own marks. Write them as (a) … ; (b) … , or just send the one part you worked out.
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Chapter 2
Fractions, Decimals and Percentages
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