0.03(6t-7)=0.18(t+3)-0.75

0.18(1+3)-0.75 = -0.03

0.03(6*1-7) = -0.03

The answer is t = 1

Hope this helps!! :)

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