Plz Help, My teacher hates me enough already -_-
 The volume for a rectangular prism is given by the formula V = l · w · h, where l is the length of the prism, w is the width of the prism, and h is the height of the prism.
 The volume of a rectangular prism is 216 cubic inches. If the length and height are 6 inches each, what is the width of the rectangular prism?
 A. 
 30 inches
 B. 
 36 inches
 C. 
 6 inches
 D. 
 204 inches