How do the sizes of the pairs of figures help determine if they are congruent?

Congruent Angles have the same angle (in degrees or radians). That is all. These angles are congruent. They don't have to point in the same direction.

Step-by-step explanation:

If they are the same sides in angels then they are congruent.

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