Molding Is Typically Long, Thin, Decorative Pieces of Wood Used

question 54

Multiple Choice

Molding is typically long, thin, decorative pieces of wood used, for instance, around windows or doors. The cross-section of a particular type of molding can be described as the region bounded by , x = 4, x = 0, and (all measured in inches) , projected perpendicular to the xy-plane (see figure) . If the manufacturer paints all four sides (but not the ends) and each gallon of paint covers 250 ft², how many linear feet of molding can be coated with one gallon?

• A) 315.8 feet
• B) 264.2 feet
• C) 512.4 feet
• D) 128.1 feet

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