Yes, that's enough. I generally recommend 8-10 weeks to my students, and that's the timetable that most prep classes operate on, as well.
I wrote a longer explanation of this here:
https://www.gmathacks.com/study-tips/how ... ively.html
I wrote a longer explanation of this here:
https://www.gmathacks.com/study-tips/how ... ively.html












