C. At a high school, 82% of all students were enrolled in a math class. A survey of 72 seniors found that 48 of
them were enrolled in a math class. Which is higher, the population proportion of students taking a math class
or the sample proportion of seniors who are taking a math class? Justify.

i think that you should ask google for the answer to that problem because if we don't know it google does

if you are saying purchasing 3 social media ads and one newspaper ad counts as one purchase then there are:

6 purchases

if you are asking how many of each then:

18 social media ads

6 newspaper ads