Absolutely!
You seem to have a firm foundation and with 3 weeks of study, you can really hone in on the topics that you were having some inconsistency with. Furthermore, your options are simple:
1. study, and take the exam before the change.
2. don't study, and take the exam before the change.
3. study, and take the exam after the change.
4. don't study, and take the exam after the change.
I assume in our best interest we can eliminate options 2 and 4. With that being said, is the change something that's going to really bother us. If you're under some deadline or constraint, work hard right now and make the appropriate sacrifices. If you have to give up leisure time, do so (1 hour less of leisure time can really add up). If you have to give up sleep, you have justification (1 hour less of sleep a day can really add up). The GMAT and MBA admissions process test our ability to prepare, adapt, and perform. As future business leaders, this is a great first test for the rest of our lives. Good luck, though. I really do think you have a firm foundation and what we need to do is just hone in specifically on the areas that you're lagging behind in. Keep us updated!
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Stats by August 2014
28, Asian-American, Born and raised in lower-income Bronx, NY.
2.64 (downward trend) Economics degree from UT-Austin in Dec. 2009
GMAT Goal: 710+, exam scheduled for July 27, 2013 at 12PM CST
WE: Sales Team Manager at Apple - business development and strategies for the Apple Online Store
Past WE: Financial Services advising at Northwestern Mutual Financial, Equities Trading at Kershner Trading Group
EC: 3 years of National Council on Fraternity (VP, President), Current Chairman of Texas Exes, Asian Alumni Network (2012-2013)
Target: (1) NYU, (2) Duke, (3) Michigan, (4) Texas, (5) UCLA, (6) Rice
Giving this 110%. I appreciate all advice and encouragement. Thank you, everyone.