How much time and effort do you put into your CS, Engineering, Science, and Math studies?

25 hours a week outside of class for Honors Linear Algebra! That’s brutal. This is because you were aiming for an A? . There is less return on investment every extra hour you put in. So I plan to study enough to maintain a 3.0 GPA. I don’t think its worth spending an extra year or two in school, taking one less class per semester, to achieve a 3.5+ GPA for me personally. The parents expect me to move out soon lol. How much time do you think the"average" student at regular university needs to dedicate outside of class to get an B grade for classes such as Calc I, II, Discret math, differential equations I appreciate the reply! This is the last week to add an extra class to my schedule. I’m really trying to guesstimate how much time weekly I’d need to spend on Calc I this semester.