The cost of paint is 60 per kilograme. A kilogram paint covers 20 square feet. How much will it cost to paint the outside of a cube having each side 10 feet?	Choose the correct choice from the following choices:
A) 3000 B) 900 C) 1800 D) 360 E) None of these
Area of cube   = 6× (side)2 = 6 × 10 × 10 = 600 square feet.   1800ost to paint outside of the cube = 600⁄20 × 60   = 1800   Answer 1800
<result>C</result>
The cost of paint is 60 per kilograme. A kilogram paint covers 20 square feet. How much will it cost to paint the outside of a cube having each side 10 feet?