If the area of a square with sides of length 4 centimeters is equal to the area of a rectangle with a width of 4 centimeters, what is the length of the rectangle, in centimeters?  Choices:  A) 14  B) 8  C) 12  D) 4  E) 18

Rationale: "let length of rectangle = l 4 ^ 2 = l * 4 = > l = 16 / 4 = 4 answer d"
Answer: D