Solve
-The Area of a Rectangular Wall in a Classroom $= 12 \mathrm { ft }$

Multiple Choice

Solve.
-The area of a rectangular wall in a classroom is 396 square feet. Its length is 3 feet shorter than three times its width. Find the length and width of the wall of the classroom.

A) Width $= 12 \mathrm { ft }$ ; length $= 33 \mathrm { ft }$
B) Width $= 12 \mathrm { ft }$ ; length $= 21 \mathrm { ft }$
C) Width $= 12 \mathrm { ft }$ ; length $= 39 \mathrm { ft }$
D) Width $= 12 \mathrm { ft }$ ; length $= 15 \mathrm { ft }$