Replying to first post.
not difficult to hang up one of them. Just pay some drinks to hers and then go to pool to play al little bit. Then, if you want to have good time with one of her, from 10 pm you can barfine them for 600 baths and go even drink somewhere else or go back to your place for good shagging.
Depends on the girls, but sometimes they think that you can pay more and ask quite a high price (about 5K) or some not (0.5K).
I was used to used to go out with some of them but last one was pretty nice. She told me she was 23 but in fact after speaking with my hotel's manager she was 21 and really good for nights' activities.
Enjoy your stay in rio.