Respuesta :
Step-by-step explanation:
hey there i hope this helps best of luck

Answer:
6.25 km^2.
Step-by-step explanation:
Let the park be x km wide. Then it's length is 4x km.
Perimeter = 2(Length + width)
12.5 = 2(4x + x)
2*5x = 12.5
x = 12.5 /10 =1.25 km.
So the park is 1.25 km wide and 4*1.25 = 5 km long.
The area of the park = 1.25 * 5
= 6.25 km^2.