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September 20, 2014

September 20, 2014

Posted by **anonymous** on Thursday, December 5, 2013 at 9:38pm.

type of paint size of paint can cost

wall paint 4L $24.95

1L $7.99

ceiling paint 4L $32.95

(one litre of paint covers 9.5 m)

a) what is the least amount of paint shelby can buy to paint the room (subtract 5m for the door and windows)

b) how much will the paint cost, including the amount of tax charged in your region?

- math question grade 8!! -
**Ms. Sue**, Thursday, December 5, 2013 at 9:43pmPlease check the room measurements. You seem to have miscopied the problem.

- math question grade 8!! -
**anonymous**, Thursday, December 5, 2013 at 11:02pmno they are right the height = 2.6m width = 4.8m length= 6.8 m

- math question grade 8!! -
**Reiny**, Thursday, December 5, 2013 at 11:04pmWow, those rooms are pretty small even for a doll-house.

- math question grade 8!! -
**Steve**, Friday, December 6, 2013 at 12:12amFirst off, when you check the measurements, at least read what you wrote before. You had them listed as cm, not m!

so, there are 4 walls:

2(4.8)(2.6) + 2(6.8)(2.6) = 60.32 m^2

and the ceiling: (4.8)(6.8) = 32.64

Subtract 5m^2 for the windows (presumably in the walls, not the ceiling; no mention was made of skylights) and we have

walls: 55.32 m^2

ceiling: 32.64 m^2

Since a liter of paint covers 9 m^2 (**not**9 m!), that means we have to buy

6L of wall paint

4L of ceiling paint

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