-5/7÷30/-4
What is the full explanation on how to work out this problem?

1/168

Step-by-step explanation:

First, solve for the numerator.

-5/7÷30

-5/7÷30/1

(use keep, change flip)

-5/7x1/30=-5/210

-5/210=-1/42

Now use keep change flip again

-1/42÷-4/1

-1/42*-1/4=1/168

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