Christopher is going to install wallpaper on the four walls of his room. Two of the walls are 14 feet long by 9 feet high. The o

Question

3 years ago

6

Christopher is going to install wallpaper on the four walls of his room. Two of the walls are 14 feet long by 9 feet high. The o

ther two walls are 20 feet long by 9 feet high. His options at the wallpaper store are below.
One single roll of wallpaper costs $20 and covers 18 square feet of area.

One double roll of wallpaper costs $40 and covers 54 square feet of area.

What is the minimum cost of installing the wallpaper on the four walls of Christopher's room?

Mathematics

1 answer:

Fantom [35] · Answer 1 · 2022-07-27T05:38:22+03:00

Fantom [35]3 years ago

8 0

14×9=126×2 =252
9×20=180×2 360
612 square feet
612÷18 = 34 rolls @$20=$680
612÷54 = 11.33 [email protected]$40= $453.33