What divided by 3 minus 7 equals 15

66

Step-by-step explanation:

solve the problem backwards:

?/3=?-7=15

The opposite of subtract is adding

15+7=22

The opposite of division is multiplication

(22)3=66

plug 66 in:

66/3=22

22-7=15

the final price would be 29.6925

step-by-step explanation:

39.59 minus 25% equals 29.6925

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