Paige is half as old as Guana. Gwen is three years younger than Ryan. Ryan is nine years older than Paige. How old are Paige, Guana, and Ryan?

a) Paige: 6 years, Guana: 12 years, Ryan: 15 years
b) Paige: 9 years, Guana: 18 years, Ryan: 27 years
c) Paige: 12 years, Guana: 24 years, Ryan: 33 years
d) Paige: 15 years, Guana: 30 years, Ryan: 21 years