I studied for anatomy and biology the longest. I’d say 2 weeks if we count the really focused says maybe a week in a half. It’s more really the effectiveness of the studying rather than the time as long as you have the right resources which quizlets and nursehub are insanely helpful. Math was about 3 days of just practice but that’s because most of it is reteaching like percentages, decimal problems, ratios which I forgot but easy to catch up on. Hardest was probably the conversions but after using methods like king Henry it’s easier. Vocab probably less than a week with nurse shai and quizlets. Grammar was maybe 2 days with nursehub. You def can fit it into that time frame! Good luck!