2, 2 1/2, 1 1\2, 2 whats the next number in the series

1

Step-by-step explanation:

The pattern is in the values added to each term:

+1/2, -1, +1/2, -1,...

1 1/2 + 1/2 is 2

So next term would be obtained by adding -1

2 + (-1) = 1

answer: $34.31

step-by-step explanation:

$11.99 x 3 = $35.97

$35.97 - 10% = $32.37

$32.37 + 6% = $34.31

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