The length of a rectangular garden is three times its width. If the area of the rectangular garden is 588 square meters, then what is the width of the rectangular garden?  Select the correct option:  A) 12  B) 13  C) 14  D) 15  E) 16

Rationale: "let x be the width of the garden . 3 x ^ 2 = 588 x ^ 2 = 196 x = 14 the answer is c ."
Answer: C