Anybody Using Prin Rev. Cracking GMAT 2008 Book??

[focusedn08]

Hello,

I have a question about Drill 6, number 7, page 169. How do you solve that problem. Can someone please break it down for me?

Thanks

[gabriel]

Hello,

I have a question about Drill 6, number 7, page 169. How do you solve that problem. Can someone please break it down for me?

Thanks

Please type out the question and post it in the right section i.e. PS or DS.