A picture frame is made with 40 inches of material. Which expression can be used to calculate the area of the frame if the length of the frame is l?


A. A = I(20 - I)

B. A = I(I - 20)

C. A = I(40 - I)

D. A = I(I - 40)

Respuesta :

I am sure it is A !

if you need explanation, comment ! or it is ok !
it is Perimeter = 40 i think ;(