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Fourth Edition Guide 4, Word Translation, Prob Pg 93, Q 7

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saurabhbanerjeeiimk
 Post subject: Fourth Edition Guide 4, Word Translation, Prob Pg 93, Q 7
 Post Posted: Wed Dec 07, 2011 1:32 am 
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Students


Posts: 24
The question reads as "At a certain pizzeria, 1/6 of the pizzas sold were cheese, and 1/5 of the OTHER pizzas sold were pepperoni. If Brandon bought a randomly chosen pizza from the pizzeria that week, what is the probability that he ordered a pepperoni?

The answer is 1/6.

However, the 1/6 is the answer for 1/5 OF 5/6. How do conclude that the 1/6 is the probability based on all the pizzas sold.
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tim
 Post subject: Re: Fourth Edition Guide 4, Word Translation, Prob Pg 93, Q 7
 Post Posted: Tue Dec 13, 2011 2:42 am 
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ManhattanGMAT Staff


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Location: Southwest Airlines, seat 21C
Because your value of 1/5 of 5/6 is just an abbreviated way of saying 1/5 of 5/6 OF ALL THE PIZZAS.

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Tim Sanders
Manhattan GMAT Instructor
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