smehmood Senior | Next Rank: 100 Posts View User Profile Posts: 54 Joined: Sat May 10, 2008 1:48 pm GMATPrep Question- how to answer? by smehmood » Mon Aug 11, 2008 11:54 am How can I answer this question (attached)? Is there a formulae I can use? Thanks M Attachments GMATPrepQ1.doc (55 KiB) Downloaded 131 times Top Quote