How do you write
The set of all real numbers except 7
In interval notation

unless if u could do my questions, if not i wouldn't want to

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

wedfghjkl;

tyuiop[]ghjkl;

step-by-step explanatio89