Tommy needs 12 square feet of tiles to cover the top of his small table that is 3 feet wide and 4 feet long. His dad will need 12 feet of decorative border material to cover the edges of the table. Christine's first mural was 6 meters long and 3 meters wide with an area of 18 square meters. Her next mural will be 6 meters long and 12 meters wide with a perimeter of 36 meters. Nancy's garden is twice as long and twice as wide as Sherrie's garden, which is 8 square meters and has a longer side of 4 meters.