Sam has 15 1/3 pounds of chocolate. He gives 3 1/5 pounds to Joe and 5 2/3 pounds to Jim. How many pounds does he have left over?

15 times 3 equals 60.

Step-by-step explanation:

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