IsseiHD IsseiHD

26-01-2017
Mathematics

contestada

The average of three numbers is x. If the first number is y and the second number is z, what is the third number?
A) (1/3)x-y-z
B) 3x-y-z
C) x-3y-3z
D)x+y+z over 3

Respuesta :

ngfriesema ngfriesema

26-01-2017

I believe that it is A

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