The population of a bacteria culture increases at a rate of 4% per annum. There is an additional…
The effective annual growth rate is \(4\% + 1\% = 5\%\). Over two years the population becomes \((1.05)^{2} = 1.1025\) times the original. The increase is therefore 10.25…
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The population of a bacteria culture increases at a rate of 4% per annum. There is an additional increase of 1% of the population due to some reason. The percentage increase in the population after two years is, therefore:
Answer and explanation
Correct answer C
The effective annual growth rate is . Over two years the population becomes times the original. The increase is therefore 10.25 per cent.
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