The volume, V, of a rectangular solid is found using the equation V = /wh, where / is the length, w is the width, and h is the height of the solid. A rectangular solid has length of 16 and height of 5.
Which equation represents the volume of the solid, in terms of its width?

A. V = (16w)(5w)
B. V = 80w
C. V = 21w
D. V = 16w + 5