# Answer to Question #12887 in Algebra for Isabel

Question #12887

A bedroom with a wall area of 6912 square meters is to be covered by wallpaper. If the size of a roll of wallpaper is 16 meters long and 48 meters wide, how many rolls of wallpaper is needed to cover this area?

Expert's answer

The area of a roll of wallpaper is

A = 16*48 = 768m²,

so there needed

N = 6912/768 = 9

rolls to cover the walls.

A = 16*48 = 768m²,

so there needed

N = 6912/768 = 9

rolls to cover the walls.

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