4. evan filled up his car with 18.2 gallons of gas at $2.89 per gallon. using estimation, was he able to fill his car for less than $55.00? yes or no, and why?

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

$649.60

step-by-step explanation: