Jack took a test and got 13 out of 17 points. He took a make-up test and got 12 out of 15 points. The percent of increase in Jack's score is about_
3.5%
6.7%
4.6%
5.9%

about 3.5%

Step-by-step explanation:

you find both percentages then subtract hope this 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