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A display number cube measures 20 inches on a side. The sides are numbered 1-6. The odd numbered sides are covered in blue fabric and the even numbered sides are covered in red fabric. How much red fabric was used?

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There are six sides or faces of a cube, each measuring 20 inches. If even numbered sides are covered with red fabric, then a total of 60 inches of red fabric was used. This is based from 3 even numbered sides multiplied to 20 inches as a measurement of each side. 

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