Sophia bought 50 sheets of decorative paper for craft project some sheets cost $.32 each and the others cost $.40 each altogether she paid $18.08 for the paper how many of each kind of sheet did sophia purchase

24 of the sheets that costed 32 cents each, and 26 of the sheets that costed 40 cents each.

Step-by-step explanation:

Set up a system of equations, using the given information and solve. You can see my work in the attached photo

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