I work full time and have a very demanding schedule. I study 3-4 hours during M-Th after work, work out at least 3 days a week, take a break on Fridays, and study at least 4 hours on Saturday and Sunday.
I aim for 3-4 hours during the week (while working full time) and as much as possible on the weekends (ideally 8). Just make sure to take time off when you feel unproductive to avoid burnouts!
... not be in the first 4 spots. Why? Because Q ... fifth necessarily implies that all 4 variables before Q must be ... of W in 1,2,3,4 messes up the validity of ... /V/Z in anything beyond 4. This again would be MBF ... ? Take a look at question 3: here we are told that ...