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a plastering contractor charges $18 per square yard( that is $2 per square foot). what is the cost of plastering 100 feet of wall in a house with an 8 foot ceiling

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meerkat18
Basically, this problem is going to require you to solve for the area and multiply it with the given cost unit.

Area = Length*Height
Area = 100 ft * 8 ft = 800 ft²

Total Cost = (Unit Cost)(Area)
Total Cost = ($2/ft²)(800 ft²)
Total Cost = $1,600

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