AMC 10A 2010 Problem 2

Four identical squares and one rectangle are placed together to form one large square as shown. The length of the rectangle is how many times as large as its width?

Answer Choices
A. \dfrac{5}{4}
B. \dfrac{4}{3}
C. \dfrac{3}{2}
D. 2
E. 3

Answer B 4/3. Let the length of the small squares be 1. Then the length is 4 and width is 3. Answer B 4/3