Question

Katerina is purchasing wallpaper to cover one wall in her bedroom. The wall is rectangular in shape, with a height of 10 ft. and a length of 18 ft. The wall contains two rectangular windows that are 6 ft. by 4 ft. each. Determine the amount of wallpaper that Katerina should purchase to cover the wall.(1 point)
Responses

180 ft.2
180 ft. squared

228 ft.2
228 ft. squared

132 ft.2
132 ft. squared

48 ft.2

Answer 1

Wall area = 10 ft × 18 ft = 180 ft².
Windows area = 2 × (6 ft × 4 ft) = 2 × 24 ft² = 48 ft².
Wallpaper needed = 180 − 48 = 132 ft².

Answer: 132 ft².