luisa knit a rectangular scarf that measures 4 feet by 1 foot. she wants to use the remaining 6 feet of fabric to create a border around the scarf. how wide should the border of the blanket be?

Respuesta :

The border is the perimeter of the scarf.
P= 2(4+1)
  = 10
The border of the scarf should be covered by 10 feet.