Respuesta :

Answer:

C. 90 ft

Step-by-step explanation:

The area of a rectangle is length x width

A = (l)(w)

We already know the area, and the length so we can fill that into our equation.

500 = (20)(w)

if we divide 20 on both sides of the equation, we can solve for w.

500/20 = (20/20) (w)

25 = w

Perimeter = 2(l + w)

Perimeter = 2(20 + 25)

Perimeter = 2(45)

Perimeter = 90

Therefore, the answer is C = 90 ft.