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

Question

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

Quizplus · Accepted Answer

The Answer of 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

A Population Growing at an Annual Rate R Will Triple t=ln⁡3rt = \frac { \ln 3 } { r }t=rln3​

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