Hermione, Luna, and Celestia combined have 83 spelling badges. If Hermione has 14 and Luna has 17, how many spelling badges does Celestia have? Let's answer step by step:
Combining Hermione and Luna has 14 + 17 = 31 spelling badges. Removing their spelling badges from the total, Celestia has 83 - 31 = 52 spelling badges. The answer: 52.