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 Post subject: Chapter 12: Inequalities : Advanced Strategy
 Post Posted: Sun Sep 18, 2011 3:05 am 
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Students


Posts: 5
Chapter 12: Inequalities : Advanced Strategy

Question 5 in Problem Set (Advanced)

The solution given is 40 and 51 miles per hour. The explanation given is that
maximum speed = 50 1/9 mph
minimum speed = 40 9/11 mph
Therefore speed must be between 40 and 51 mph.

Is this correct? If the minimum speed is 40 9/11, how can we give the range min value as 40? Should it not be 41 (and hence answer option E)?


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 Post subject: Re: Chapter 12: Inequalities : Advanced Strategy
 Post Posted: Sat Oct 15, 2011 10:10 pm 
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ManhattanGMAT Staff


Posts: 1857
Please check out Tim's post in this thread: mgmat-study-guide-3-page-187-question-5-t10388.html

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Jamie Nelson
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