Respuesta :

jjmj1012
The answer is B because 3x-2 is 1/2 of 50 so you set 3x-2 = 25. Then you solve for x.
choixongdong
(3x - 2)/ 50 = 21/(21 + 21)
(3x - 2)/50  = 21/42
(3x - 2)/50  = 1/2
  2(3x - 2)   = 1 * 50
        6x - 4 = 50
             6x = 54
               x = 9

Answer is B. 9.0

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