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March 4, 2015

March 4, 2015

Posted by **face** on Monday, July 30, 2012 at 9:36am.

a)Find the area the walls and ceiling to be painted.

b)One gallon of paint covers 72.63 sq ft. How many gallons needed to paint the room?

c)At $22.77 a gallon, what is the cost to paint the room?

* The area of the walls and the ceiling to be painted is?___________

- geometry -
**Henry**, Tuesday, July 31, 2012 at 9:11pmL = 21 Ft

W = 11 Ft

h = 8 Ft.

a. A=2(W*h)+2(L*h)+(L*W)-2(3*4)-(2.5*6.5).

A=176 + 336 + 231-24-16.25=703 Ft^2 =

Area to be painted.

b. Gal = 703Ft^2 / 72.63Ft^2/gal = 9.7.

c. Cost = 22.77/gal * 9.7gal = $220.40.

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