can you pay my bills?

I just got a 748.90 dollar bill from Longwood for two summer classes.
I have 600 in my account...before rent.
I don't know what to do.
Sometimes, I wish I would have just left after taking my liberal studies classes. Would have made life much simpler.
I have no food. I'm living off of peanut butter and jelly and spaghettios mixed with brown rice.
I'm working 40 hour weeks and getting paid double for like 10 of it.
What more can I do? Nothing. But no more fast food or anything of the sort for me. Trips to the bar only for socializing and not for a beer after work.
I'm frightened...