geometry
posted by Courtney .
If you had a room that is 10 foot by 12 foot in the shape of a rectangle, and one gallon of paint covers about 350 square feet, how many gallons of paint would you have to buy if you were painting the walls and the ceiling?

geometry 
Ms. Sue
Ceiling: 10 * 12 = 120 sq. feet
You need to know the height of the walls to determine their areas.
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