A television program earns a 12 rating for Adults 18-49 in Philadelphia. This means a. 12 percent of all adults 18-49 living in Philadelphia who were watching television at that time were tuned to that program b. 120,000 adults 18-49 were watching that program c. 12 percent of all adults 18-49 living in Philadelphia were tuned to that program d. 12 percent of all adults 18-49 living in the United States were tuned to that program