Ryan builds model mustang cars.  A full size mustang is 240 inches long.  The mid-size model that Ryan creates is 1/10th the size, and the smallest model that Ryan creates is half the size of the mid-size model.  How many inches long is the smallest model mustang?
Mid-size:240/10=<<240/10=24>>24 inches
Small Model:24/2=<<24/2=12>>12 inches
#### 12