Hey, Tabitha.
We leave it ambiguous since different students are studying on different timelines.
In general, we encourage people to aim to do at least 10 hours of practice each week (this can include watching lessons / reading chapters / trying sample problems).
If this is the main thing on your plate right now, then try to get that closer to 20-25 hrs a week, but try to make sure you never study for more than 1 - 1.5 hrs at a time.
A huge part of learning involves giving the brain some rest time, during which it can incubate on what you just worked on and process it (kinda like how we have to sleep at night so that our brains can organize all the stimuli we got during the day / how we get sleepy after a big meal because our body needs time & energy to digest).
A huge part of preparing for any standardized test is the muscle memory and pattern awareness that comes from regular timed practice. So I would recommend that you think about trying finish the lessons / books with at least a month to spare before your actual test, to allow plenty of time to rinse & repeat the strategies.
In particular, Games gets way better/faster through sheer repetition, so consider doing at least a few games every day, and plan to do most games multiple times (ideally, we'd wait at least 3 days before trying a game again)
Variety is the spice of life, and it makes for better studying, so try to structure study days that involve a variety of topics, modalities, and locations. It may seem a little scattered feeling, but it achieves the best long-term results, since the test itself is a scattered blender of topics.
On a long-ish study day, try to plan to have at least three sessions ... maybe one of them is doing a Games Interact lesson at a coffeeshop ... one of them is reading an RC chapter in a beanbag chair ... and the other is doing a 35-minute timed LR section at a desk.
The syllabus is there to give you structure / suggestions when you want it, but the best learners are curious people who experiment with themselves, who diagnose themselves constantly, and who try to prescribe themselves different tasks. So try to have fun with it, knowing that there IS no "correct" way to do it. The more engaged you are with the process, the better it works.
But don't avoid your weaknesses.
People's biggest potential problem is that they avoid during stuff they aren't good at, because that takes the most will power. Start your day (or warm up with something simple and THEN start your day) with something you're bad at, because we have the most will power at the beginning of the day (usually).
Good luck.