Thirty 8th graders signed up for running, however nine dropped out before the first practice. if 46 2/3 of the club are 8th graders, how many total students are in the running club?

answer: 48

just remember to use pemdas:

parentheses

expressions

multiplication

division

addition

subtraction

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