The length of a rectangular garden is three times its width. If the area of the rectangular garden is 768 square meters, then what is the width of the rectangular garden?
Options:	A) 16	B) 17	C) 18	D) 19	E) 20

Rationale: "let x be the width of the garden . 3 x ^ 2 = 768 x ^ 2 = 256 x = 16 the answer is a ."
Answer: A