If a population of dolphins increases at a constant rate of 1.5% every year for 20 years what will be the total percentage increase over the 20 years.

The population increased by 34.69% over 20 years.

Step-by-step explanation:

It is given that the population of dolphins increases at a constant rate of 1.5% every year for 20 years.

Formula for population increase:

where, a is initial population, r is growth rate and t is time in years.

If the population of dolphins increases at a constant rate of 1.5% every year for 20 years, then the population after 20 years is

Where, a is the initial population.

The total percentage increase over the 20 years is

where, P is population after 20 years and a is initial amount.

Therefore the population increased by 34.69% over 20 years.

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step-by-step explanation:

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