How much jail time will I get for public intoxication and prostitution?

There is no way to know with 100% certainty. Intoxicated and Disruptive is a class 2 misdemeanor which can carry up to 60 days in jail. Prostitution is now a class 1 misdemeanor, and can carry up to 120 days in jail. If you are convicted of both, the judge could potentially sentence you for both for a total of 180 days in jail. Now how much time you would actually get would depend on a lot of factors, including whether you were on probation, how many times you've been on probation, how many prior convictions you've had for any offense, no just prostitution. I suggest you speak with a local attorney or ask the court to appoint a lawyer to represent you, so that the lawyer can better advise you about how they treat these cases in Wake County.