One or two probably, depending on how many square feet are included in each carton. Check the label for your answer - they are all different. Your room is 20 square feet, but you should include some extra for waste - about 10%. So you'll need enough to cover 22 square feet.
four ft. x four ft. = sixteen sq. ft. example: 4ft. x 4 ft. = 16 sq. ft.
Fourty cubic feet.
48 in Algebraic Steps / Dimensional Analysis4 ft*12 in 1 ft=48 in
1 yard is less.
Multiply width by length to get the area. The answer would be 28 square feet.
48 square feet
2 square feet or 288 square inches.
The area is 9.2376 square feet.
You have to multiply the two dimensions to get the area. In this case the answer will be 60 square feet.
50*4 = 200 square feet.
It is: 61*4 = 244 square feet
45.51 square feet.
To do this just multiply together 2ft(*)2ft = 4ft^2 or four feet squared area=lenth times width
66 square feet
4ft*6ft = 24 ft2
There are 4 times 8 = 32 square feet