What algebraic expression could represent the average of 2x, x + 3, and 6x?

i will pick c put check it over to be sure

step-by-step explanation:

the correct answer is d

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only 10/60 isn't equivalent

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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