99 square feet
Explanation:
1.) Find the area of the wall:
8 feet x 9 feet = 72 square feet
2.) To find out how many square feet of wallpaper he had at first, add the area of the wall to the wallpaper he has left:
72 square feet + 27 square feet = 99 ft2
SOMEBODY CORRECT ME IF IM WRONG
And if I am right (pls say if my answer was right after this) Mark me brainliest tysm!
