Centers for Disease Control and Prevention data from 2010 and projected to 2050 indicate that adult diabetes

Question:

Centers for Disease Control and Prevention data from 2010 and projected to 2050 indicate that adult diabetes in the United States could dramatically increase. With x0 in 2000, the percent of U.S. adults with diabetes can be modeled by
y = - 13.0 + 11.9 ln x
Use the model to find the year in which the percent of U.S. adults with diabetes is predicted to reach 30%.