by tim Sun Mar 17, 2013 12:52 am
As per the forum rules, we need a verifiable source for the problem before we can deal with this question. If the question is not one of ours or one that is copyright-free, we will have to delete the question..
Before we help with this question, we need you to show some effort of your own. What did you try on this question? Where did you get stuck?
Tim Sanders
Manhattan GMAT Instructor
Follow this link for some important tips to get the most out of your forum experience:
https://www.manhattanprep.com/gmat/forums/a-few-tips-t31405.html