MGMT GMAT Roadmap Page 80 Sample Question - answer is wrong?

[daniel.che.yi.chu]

Hi,

On MGMT GMAT Roadmap Page 80, the answer to the sample question there assumes that Reggie doesn't hike backwards when Cassie started hiking -- how can this assumption be made when the question does not explicitly state so?

Please help.

Thanks,

Daniel

[tim]

the entire problem would be absurd and have no answer if the two people could change direction at will. you should not make unwarranted assumptions in GMAT problems, but if one scenario makes sense and the other one is not only unlikely but also makes the problem unsolvable, then you should go with the first scenario!