This depends on a lot of factors. Lemsle if you are close to home yan yahl mawtat layasfelig yichlal if you stay there for the semester wechi yichemral. It also depends on how many times you eat outside of the cafe. Also how much you travel around mnamn and where you learn. Bicha I guess somewhere from 500-700 per week is a good amount of money for life in the uni. But again this might be affected by the things I mentioned above and more and it might end up being lower or higher than that.