plzhelplol5251 plzhelplol5251

23-08-2017
Mathematics

contestada

If the average (arithmetic mean) of 2, 7, and x is 12, what is the value of x?

Respuesta :

barnuts barnuts

04-09-2017

We must remember that the average or arithmetic mean is simply the sum of the numbers divided by the total amount of number. That is:

Average = (2 + 7 + x) / 3 = 12

9 + x = 36

x = 27

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