GMATPREP - PS problem -2

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GMATPREP - PS problem -2

by vishal_2804 » Fri Nov 19, 2010 8:31 am
request u to check the attachment
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by Tani » Fri Nov 19, 2010 10:00 am
The mean (average) time is 100. 100-22.4 = 77.6.
Two times are below 77.6
Tani Wolff