Question
The population of a small town grows by 18% per year. If
the population two years later is estimated to be 41,472, what is the population now?Solution
ATQ,
Let, the present population be ‘x’.
ATQ,
Future population = 1.18 × 1.18 × x = 41472
Or, x = 41472 × (1/1.18) × (1/1.18)
So, x = 30,000
Therefore, present population = x = 30,000
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