Respuesta :

9514 1404 393

Answer:

  n = 22 1/2

Step-by-step explanation:

  1/5(n -10) = 2 1/2 . . . . simplify

  n -10 = 12 1/2 . . . . . . . multiply by 5

  n = 22 1/2 . . . . . . . . . .add 10

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