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Mathematics 20 Online
OpenStudy (anonymous):

James wants to pour a patio that is 18 feet by 20 feet. He wants the concrete to be 6 inches deep. How many cubic feet of concrete mix are needed for the patio? [1 ft = 12 inches]

OpenStudy (anonymous):

6 inches = 0.5 ft Volume = length * width * deph so: V = (18)(20)(0.5) = 180 cubic feet of concrete

OpenStudy (anonymous):

18 x 20 x 0.5 = 180 ft^3

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