youve got 1 more month essentially before exams so just scrimp and save before the exam period haha as you wont be going out then right. once you get past the next 2 weeks it will look a lot more achieveable
you'll just have to cut back to bare essentials foodwise and not spend anything else, get an overdraft so you've got emergency cash but don't spend if you can help it
Many employers would snap you up as they do not have to pay the Living Wage due to your age!
Even if the job is far removed from what you want to do after your degree (I worked in a factory!) consider it an education in the 'University of Life.'
There are plenty of places who'll happily take you up for a job. Alternatively, be creative. Start your own business perhaps? Plenty of opportunity there.