# What is

What is the annual percentage increase in the city when the population has tripled in 20 years?

Result

p =  5.647 %

#### Solution:

$t=20 \ \\ q=3 \ \\ \ \\ q=(1+p/100)^t \ \\ \ \\ p=100 \cdot \ (q^{ 1/t }-1)=100 \cdot \ (\sqrt{ 3 }-1) \doteq 5.6467 \doteq 5.647 \%$ Our examples were largely sent or created by pupils and students themselves. Therefore, we would be pleased if you could send us any errors you found, spelling mistakes, or rephasing the example. Thank you!

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