Pl! can anyone answer all of the unanswered questions in the picture pl

1.  144 dollars

2. 450 minutes

3. 30 days

Step-by-step explanation:

1. 12x 12=144

2.4=60 minutes

  60 x 7 = 420

  420 + (60 x 1/2) = 450

  (60 x 1/2 = 30)

3. 6= 10 days

  18= 30 days

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