Richie and Bethany play basketball and practice shooting free throws after school. During one practice session, Richie attempted 15 free throws and made 12 of them.

a. Write a ratio comparing the number of free throws he made to the number that he missed. Use the : "symbol. _____

b. Bethany made eight free throws for every three that she missed. Did Bethany do better than Richie? yes or no ______​