Answer to 18A. The scale of the drawing is 5 because 4 inches can fit into 2 feet 5 times.
Answer to 18.B. The perimeter is 32 because 12x2=24 + 4x2=8 8+24=32. Area is 48 because 12x4=48.
Answer to 18.C. perimeter = 124 because 60x2+2x2=124. Area = 120 because 60x2=120.
Hope that helps!!