A Population Growing at an Annual Rate R Will Triple $t = \frac { \ln 3 } { r }$

question 36

Multiple Choice

A population growing at an annual rate r will triple in a time t given by the formula $t = \frac { \ln 3 } { r }$ .If the growth rate remains constant and equals 9% per year,how long will it take the population of the town to triple? ​

• A)2.2 years
• B)5.3 years
• C)6.6 years
• D)1 years
• E)12.2 years

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