Hal earns a B on 75% of his tests. He divides a spinner into 12 equal spaces to model the grades he earns on his tests, with nine of the spaces representing a B. Which statement about his model is true? A.
His model can be improved the most by using eight of the spaces to represent a B.
B.
His model can be improved the most by dividing the spinner into 15 equal spaces.
C.
His model can be improved the most by using every third space on the spinner to represent a B.
D.
His model cannot be improved.