HELP WITH TRANSPLANTING!!!!!!!!!!

HI
my mate turned up on my doorstep with some plants he found growing in his garden!!!!!!! the thing is he pulled them out of the ground and put them in a plastic bag (they are about 30cm to 50 cm high with some buds)anyway we put them in some pots fertilized them watered them , they have a great light source and plenty of ventilation.......thats the story!!! what do you guys think my chances are of them surviving (fingers crossed)