The measure of (angle) 6 is 120. The measure of (angle) 5 is 100. What is the measure of (angle) 4

80

Step-by-step explanation:

4x20=80

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