SOLUTION: A contractor estimated that 30 ft^3 of cement is required to make a concrete floor that measure 90 ft^2. Using this estimate, how much cement is required to make a concrete floor t
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Question 315318: A contractor estimated that 30 ft^3 of cement is required to make a concrete floor that measure 90 ft^2. Using this estimate, how much cement is required to make a concrete floor that measures 120ft^2? Answer by rfer(16322) (Show Source):
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