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A cafe has a lunch special with a base price of $5.00.

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A cafe has a lunch special with a base price of $5.00. [#permalink] New post 09 Aug 2012, 22:30
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Question Stats:

46% (02:47) correct 54% (01:51) wrong based on 79 sessions
Guys I need a exact solution for the problem...

A cafe has a lunch special with a base price of $5.00. For that price, customers may select one item from each column on the menu listed here. For certain items, the price will increase as indicated. Total sales from this special for the month of August (excluding tax) generated $36,000. How many meals were sold in August that included a grilled cheese sandwich?

(1) Each possible meal combination generated equal revenue during the month of August.

(2) An equal number of turkey and grilled cheese sandwiches were sold during the month of August.
[Reveal] Spoiler: OA

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Re: A cafe has a lunch special with a base price of $5.00. [#permalink] New post 10 Aug 2012, 00:59
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sujit2k7 wrote:
Guys I need a exact solution for the problem...

A cafe has a lunch special with a base price of $5.00. For that price, customers may select one item from each column on the menu listed here. For certain items, the price will increase as indicated. Total sales from this special for the month of August (excluding tax) generated $36,000. How many meals were sold in August that included a grilled cheese sandwich?

(1) Each possible meal combination generated equal revenue during the month of August.

(2) An equal number of turkey and grilled cheese sandwiches were sold during the month of August.


It is a DS question. You don't have to solve it. All you have to figure out is whether you can solve it to get a unique solution.

Price of base meal = $5
Total collection = $36000

Stmnt 1: Each possible meal combination generated equal revenue during the month of August.
Total revenue = 36000.
No of possible meal combinations = 5*4*4 = 80
How many of these include grilled cheese sandwich? 1*4*4 = 16
Revenue generated by each meal combination = 36000/80 = 450

Now you can find the number of meals for each combination e.g.
Grilled Cheese - Tomato soup - salad = 450/5 = 90
Grilled Cheese - Tomato soup - chips = 450/5 = 90
.
.
Grilled cheese - Clam chowder - salad = 450/6.25 = 72
.
etc

Addition of all these number of meals will give you the required number.

Statement 2 doesn't tell you about the meals including other options hence it's not sufficient.

Answer (A)
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Re: A cafe has a lunch special with a base price of $5.00. [#permalink] New post 02 Feb 2013, 13:44
Karishma, in relation to the 2nd statement, intuitively we can infer that the information is not sufficient.

However, how can we be sure that there are more than one possible answer about the number of turkey and grilled cheese sandwiches? Maybe if we make the calculations, we could find that there is only a value that can match with the problem.
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Re: A cafe has a lunch special with a base price of $5.00. [#permalink] New post 24 Feb 2014, 03:29
Hello from the GMAT Club BumpBot!

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Re: A cafe has a lunch special with a base price of $5.00. [#permalink] New post 15 Sep 2014, 02:40
Found this qs to be quite difficult :? , so bumping it...
Re: A cafe has a lunch special with a base price of $5.00.   [#permalink] 15 Sep 2014, 02:40
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