Problem #684

by **Emily-L** Wed Jan 16, 2013 2:25 am

Can someone please help explain why the answer is that at least two are out? I don't see where the 'at least two' part is clear- is it just related to the direction of the arrows?

Thank you!

by **noah** Thu Jan 17, 2013 5:45 pm

emily.linehan Wrote:Can someone please help explain why the answer is that at least two are out? I don't see where the 'at least two' part is clear- is it just related to the direction of the arrows?

Thank you!

Emily, please either post or e-mail me the question screen shot. Thanks.

Problem #684

Problem #684

Re: Problem #684