if x:y=7:11 and x: (x+z)=6:10 then z=?

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darkPassenger: Newbie | Next Rank: 10 Posts; Posts: 3; Joined: Sun Apr 21, 2013 7:29 am

by darkPassenger » Sun Apr 21, 2013 7:31 am

can you please post the solution in detail?

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Source: Beat The GMAT — The 60-Day GMAT Study Guide | Sun Apr 21, 2013 7:31 am

Jim@StratusPrep: MBA Admissions Consultant; Posts: 2279; Joined: Fri Nov 11, 2011 7:51 amFollowed by: 266 members; Location: New York; Thanked: 660 times; GMAT Score:770

by Jim@StratusPrep » Mon Apr 22, 2013 5:21 am

What are the answer choices? There are many possible ways to represent this information...

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