In 1980, the Population of a City Was 5 $\frac { 1 } { 9 }$

Multiple Choice

In 1980, the population of a city was 5.5 million. By 1992 the population had grown to 6.5 million. Find the average rate of change in the population.

A) $\frac { 1 } { 9 }$ million per year
B) $\frac { 13 } { 24 }$ million per year
C) $\frac { 1 } { 14 }$ million per year
D) $\frac { 1 } { 12 }$ million per year