Irene bought six pounds of fish for $12.90.based on that cost, how much would 3.4 pounds of the same fish cost?

$7.31

Step-by-step explanation:

Considering this, we can do 12.9/6, which shows us that one pound of fish is $2.15.

Then, we multiply 2.15*3.4, which is $7.31.

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

168

step-by-step explanation:

i am pretty sure that the answer is 168