Regina wants to cover one wall of her room with wallpaper. the wall is 9 feet high and 15 feet wide. there is a doorway in the wall that is 3 feet wide and 7 feet tall. how many square feet of wallpaper will she need to buy?

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07-04-2015
Mathematics

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Regina wants to cover one wall of her room with wallpaper. the wall is 9 feet high and 15 feet wide. there is a doorway in the wall that is 3 feet wide and 7 feet tall. how many square feet of wallpaper will she need to buy?

Sagot :

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Mariahelie345idn Mariahelie345idn · Answer 1 · 2015-04-07T15:43:11-04:00

Mariahelie345idn Mariahelie345idn

07-04-2015

First you need to find area of the wall : 9x15
Then Find the area of the door : 7x3
After that you subtract the area of the door from the wall
and you should get____??

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