Stanley is putting wallpaper strips on his bathroom walls that have a total area of 460 ft2. each strip of wallpaper covers 22 square feet. how many strips of wallpaper will stanley need to fully cover his walls? write your answer using the correct number of significant digits.

21

Step-by-step explanation:

We are given that Stanley  is putting wallpaper strips on his  bathroom walls that have a total area of 460 square  feet.

Area of each strip =22 square feet

We have to find the number of strips of wallpapers  will Stanley need to fully cover his walls.

In order to find the number of strips of wall papers we are dividing the area of walls by area of each strips

Number of strips of wall paper=

Number of strips of wall paper=20.909 =21 strips of wallpaper

Hence, Stanley will need strips of wallpaper to cover fully his walls=21