In a kindergarten, a child on the top step of a toy made up of four steps of yellow cubes wants to reach any of the blue cushions shown in the figure. In the first three steps, this child will jump to any of the cubes one step below that share a common edge with the cube he is on, and in the last step, he will jump to any of the cushions that share a common edge with the cube he is on. Accordingly, in how many different ways can this child reach the cushions? A) 8 B) 12 C) 16 D) 18 E) 20
In a kindergarten, a child on the top step of a toy made up of four steps of yellow cubes wants to reach any of the blue cushions shown in the figure.
In the first three steps, this child will jump to any of the cubes one step below that share a common edge with the cube he is on, and in the last step, he will jump to any of the cushions that share a common edge with the cube he is on.
Accordingly, in how many different ways can this child reach the cushions?
A) 8\\
B) 12\\
C) 16\\
D) 18\\
E) 20