It leaves your system pretty quickly -- in about 72 hours (3 days). You might want to wait a little longer though, just to be safe. If you have to take a drug test for a job, and you can't stop doing...
Depends on how much you smoke. If you smoke maybe once or twice a month then maybe 6 days to 2 weeks. That's only if your drinking a lot of water. If you smoke more than twice a month then its going...
It depends on how much you drink. The rule of thumb is 1 shot of most alcohol will leave your system after 1 hour. (1 shot is 25ml). With standard beer, cider and bitter a bottle (330ml) is 1.5 units...