Afair die is a cube with number 1 through 6 on the sides, represented as painted spots. if a fair die is rolled, what is the probability of number 6 landing face up?

The probability is 1/6 because there are six sides and only one has a six on it.

Seems complicated but is not

Step-by-step explanation:

key here is "fair die" which means that each of the six outcomes have an "equally likely" chance of being the outcome.

Answer 1/6

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