Asked by Jasmin

Matt wants to put up a wallpaper boarder for the perimeter of a 12 ft by 15 ft room. The border comes in 6 yd rolls. How many rolls would be needed?
Answered by oobleck
the perimeter is 2(12+15) = 60 ft
6 yds = 18 ft per roll
so, 4 rolls would be 72 ft