A rectangle has width x and length y, as shown in Figure 1. The rectangle is cut along the horizontal and vertical dotted lines in Figure 1 to produce four smaller rectangles as shown in Figure 2.
The sum of the perimeters of these four rectangles in Figure 2 is 24 . The value of x+y is
Answer Choices
A. 6
B. 8
C. 9.6
D. 12
E. 16