A square region has an area of \(b\) square inches and a perimeter of \(n\) inches. If \(n = \dfrac{b}3\) what is the length, in inches, of the side of the square?
A. \(12\)
B. \(12\sqrt2\)
C. \(48\)
D. \(48\sqrt2\)
E. \(144\)
Answer: A
Source: Princeton Review