A large restaurant chain is curious what proportion of their customers in a given day are new customers. They are thinking of taking a sample of either n = 50 or nº= 100 customers and building a one-sample z interval for
a proportion using the data from the sample.

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

yes because they have the same amount of green and blur marbles.

step-by-step explanation:

use distributive property on all like terms and change your signs if you have a double negative or if you have positive/negative

4.28095238095 that is the answer