Betty bakes and sells cookies to local stores. Her cost for one dozen cookies is $2.25 and she sells them to stores for $8.25
(per dozen). How many dozen cookies does she need to make
to earn $600?

Step-by-step explanation:

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the answer is 288..

hope this

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