7. The U.S. population in 2018 was estimated to be 327,200,000. Within that population, there were 30,357,000 people who were 18-29 years old and 52,431,000 people who were 65 years and older. (a) According to the graphic, 85% of the 30,357,000 people who are 18-29 years old have tried vaping or electronic cigarettes. Approximately how many people ages 18-29 said they have tried vaping or e-cigarettes? Show your work. (1 pt) (b) Approximately how many people ages 65 and older said they have tried vaping or e-cigarettes? Show your work. (1 pt) (c) Based on those estimates, how many more people ages 18-29 said they had tried vaping or e-cigarettes than people ages 65 and older? Show your work. (1 pt)