Your bank account balance is -$20.85. You deposit the $15.50. What is your new balance?

-5.35

Step-by-step explanation:

-20.85

+15.50

this helps with the problem

.25

step-by-step explanation:

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