For Over 20 Years, the Population of Tressel, Ohio Has $P ( t ) = 325 t + 7500$

Short Answer

For over 20 years, the population of Tressel, Ohio has been increasing linearly according to the function $P ( t ) = 325 t + 7500$ where P is the number of residents, and t is years after 1980. In what year will the population reach 16,925?