Respuesta :

Answer:

28 inches

Step-by-step explanation:

p=2(l+w)

Answer:

length=28

Step-by-step explanation:

using the formula

P=2(l+w)

80= 2 (28+12)

solving for Length

L = P/2 - w = 80/2 - 12 +28 inches

hope that helps!! :)