Respuesta :

Answer:

P = 8n+2

P = 34 inches

Step-by-step explanation:

P = 2(l+w)

  = 2( 3n+2 + n-1)

   = 2( 4n+1)

    = 8n+2

Let n = 4

P = 8(4)+2

   =32+2

   = 34