Mathematics, 21.01.2021 01:00 ihatemylifebutohwell

The population of old town is currently 275,000 and is declining at an annual rate of 1%. The population of new town is 150,000 and is increasing at an annual rate of 2%. If the rates of decrease and increase remain constant, after how many years will the population of the two towns be about equal? The answer is 20 but I need help on finding how to get 20.

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The population of old town is currently 275,000 and is declining at an annual rate of 1%. The popula...