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Each pail of plaster covers 90 square feet of ceiling. What is the least number of plaster you would need to buy to cover the ceiling of a square room with walls 14 feet long?

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VortexStarr
You would need 3 pails of plaster, specifically about 2 pails and a fifth of another but you cant buy a fraction of a pail, so 3 pails are needed.

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