Thirty minutes to deadline.
If this were a film-based class, you’d have just enough time to process your black and white film … and, if you’re really good, to get a print that would last about 10 minutes before fading out.
Tri-X Film Development Procedure
D-76 developer at 68 degrees: 6 minutes, 45 seconds
Stop bath: 30 seconds
Rapid Fixer: 4 minutes
Rinse: 30 seconds
Hypo clear: 2 minutes
Rinse: 5 minutes
Photo-Flo: 30 seconds
Dry: … well, ideally about 8-10 minutes, but you could edit and print wet …