If Selorm is half as old as Marvin, and Marvin is 30, that makes Selorm 15 years old. If philip is 10 years older than Selorm, then that makes Selorm 25 years old.
If Selorm is half as old as Marvin, and Marvin is 30, that makes Selorm 15 years old. If philip is 10 years older than Selorm, then that makes Selorm 25 years old.