Human: 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? Assistant: 
How many inches long is the mid-size model? ** Mid-size:240/10=<<240/10=24>>24 inches
How many inches long is the smallest model? ** Small Model:24/2=<<24/2=12>>12 inches
#### 12