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whole pizzas needed

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by sanju09 » Thu Jul 22, 2010 6:03 am
A group of 7 associates are having feast together. Each individual eats at least 3/4 of a pizza. What is the smallest number of whole pizzas needed for the feast?
(A) 5
(B) 6
(C) 7
(D) 21
(E) 28

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by Patrick_GMATFix » Thu Jul 22, 2010 6:18 am
"Each individual eats at least 3/4 of a pizza".

This means that the individual can it 3/4 (75%) of the pizza, or 76% or 77%... If we solve with this in mind, then the solution would be as follows:

7 ppl each eating at least 3/4 of a pizza. The minimum amount of food needed is 7*3/4 = 21/4 = 5.25 pizzas. The least number of whole pizzas necessary is 6 pizzas. With 6 pizzas shared equally, each individual would have 6/7 pizzas so the 3/4 minimum per person would be met.

Pick B.

-Patrick

PS: By the way I don't know how important a role you have at www.avenuesabroad.org, but I want to point out that on the GMAT page, there is some misinformation. The company that owns the GMAT is not ETS, it is GMAC. These two companies are actually bitter rivals.
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by outreach » Thu Jul 22, 2010 7:19 am
7*(3/4)=5.25
choosing 6 because people are eating more than 3/4 of pizza


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