Use the spinner to answer the question. What is the probability the spinner will land on an unshaded region?
Shaded parts= 12.5%, 12.5%, 25.0%
Unshaded parts= 12.5%, 12.5%, 25.0%
Shaded parts= 12.5%, 12.5%, 25.0%
Unshaded parts= 12.5%, 12.5%, 25.0%