SOLUTION: The dimensions of a room are 20 feet long, 12 feet wide, and 8 feet high. Gary wants to paint the walls and ceiling. What is the area, in square feet, of the surface Gary wants to

Question 818395: The dimensions of a room are 20 feet long, 12 feet wide, and 8 feet high. Gary wants to paint the walls and ceiling. What is the area, in square feet, of the surface Gary wants to paint?
Answer by TimothyLamb(4379) (Show Source): You can put this solution on YOUR website!
2(20)(12) + 2(20)(8) + 2(12)(8)
2( (20)(12) + (20)(8) + (12)(8) )
2( 240 + 160 + 96 )
2( 496 )
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a = 992 sq.ft
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