In the year 2000, the population of Florida was 16 million people. Since then, the population has grown at least 2% each year. How many years will it be before the state's population is at least 30 million people? Round to the nearest tenth of a year.

a. x<31.1
b. x < 31.7
c. x> 31.1
d. x> 31.7
all greater than or equal to