Zoey is designing a jewelry box in the shape of a rectangular prism. The base is 6 inches by 5 inches and the height is 4 inches. If Zoey wants to cover all faces of the jewelry box with fabric, how much fabric will she need?

The fabric must cover the rectangular prism’s total surface area. Its three different face areas are 6 × 5 = 30, 6 × 4 = 24, and 5 × 4 = 20 square inches; each face area occurs twice. So the total is 2 × (30 + 24 + 20) = 148 square inches, which is choice B.

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