Javiars puppy gained 12 pounds in 8 weeks if he gained weight at a constant rate how much would he gain each week

Rate = 12 / 8 = 1.5 pounds per week

Each week he would gain 1.5 pounds

Hope it helps.

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