K so I have a babie Common garter snake she is 9-12 inches long(hard to messure her) I feed her Slugs, worms and guppies and i have a few questions

1. how old do you think she is( based on her length btw she is about a wide as a pencil maby thicker is some spots)
2.when can i start her on full pinkys(dont want to cut them up just seems nasty sory)
3.when can i move her to a 10 gallon(shes in a 5 gallon)