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Mathematics 8 Online
OpenStudy (anonymous):

I need help with a question i will download the question. Thanks

OpenStudy (anonymous):

Can ignore the height of the walls and just find the sq. ft. of the floor.

OpenStudy (anonymous):

Determine the square footage of the room, then multiply that answer by the cost of the padding and the carpet, add the sums together to get your answer.

OpenStudy (anonymous):

10x12=120

OpenStudy (anonymous):

Multiply that by the sum of the costs-per-sq.ft. of the padding and carpet.

OpenStudy (anonymous):

3.88

OpenStudy (anonymous):

A bedroom is 10 ft. by 12. ft. with 8 ft. high walls. How much would it cost to put wallpaper in this room? Cost = $

OpenStudy (anonymous):

@CliffSedge i dont get this one . i just did it but answer doesnt match.

OpenStudy (anonymous):

You need to find the surface area of the walls. Imagine what the room looks like and how big the walls are.

OpenStudy (anonymous):

8ft high

OpenStudy (anonymous):

Not just their height, their area.

OpenStudy (anonymous):

walls are rectangeler right

OpenStudy (anonymous):

Usually...

OpenStudy (anonymous):

I'm assuming we're not furnishing a Hobbit hole.

OpenStudy (anonymous):

so i have to find are of rectageler

OpenStudy (anonymous):

Yes, and you can assume 4 walls. You'll be overestimating because it's not taking into account doors or windows, but that's ok.

OpenStudy (anonymous):

:LxW

OpenStudy (anonymous):

You know how to do it. Work it all out and let me know what you get.

OpenStudy (anonymous):

8x8=64

OpenStudy (anonymous):

None of the walls are 8ft wide.

OpenStudy (anonymous):

you are right

OpenStudy (anonymous):

i know the are of a room so can find the W right

OpenStudy (anonymous):

120=8xw

OpenStudy (anonymous):

15

OpenStudy (anonymous):

Imagine knocking down all the walls until they laid flat with the floor. |dw:1349656277520:dw|

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