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A local restaurant recently renovated its dining space, purchasing new

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A local restaurant recently renovated its dining space, purchasing new [#permalink]

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New post 12 Dec 2015, 08:01
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Question Stats:

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A local restaurant recently renovated its dining space, purchasing new tables and chairs to use in addition to the original tables and chairs. The new tables each seat six customers, while the original tables each seat four customers. Altogether, the restaurant now has 40 tables and is capable of seating 220 customers. How many more new tables than original tables does the restaurant have?

A. 10
B. 20
C. 30
D. 34
E. 36
[Reveal] Spoiler: OA

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Re: A local restaurant recently renovated its dining space, purchasing new [#permalink]

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New post 12 Dec 2015, 22:46
X = Number of original tables
Y = Number of new tables
Capacity of original tables = 4
Capacity of new tables = 6
Total number of tables = X + Y = 40.....(1)
Total capacity = 4X + 6Y = 220.......(2)
(2) - 4*(1) --> 2Y = 60 --> Y = 30, X = 10

How many more new tables than original tables does the restaurant have? --> Y - X = 30 - 10 = 20

Answer: B
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Re: A local restaurant recently renovated its dining space, purchasing new [#permalink]

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New post 14 Dec 2015, 16:25
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Hi Bunuel,

I believe that the above prompt has been incorrectly attributed to the wrong company. It's actually a Kaplan question:

https://books.google.com/books?id=WBVZC ... an&f=false

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Re: A local restaurant recently renovated its dining space, purchasing new [#permalink]

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New post 23 Dec 2017, 06:50
Hello from the GMAT Club BumpBot!

Thanks to another GMAT Club member, I have just discovered this valuable topic, yet it had no discussion for over a year. I am now bumping it up - doing my job. I think you may find it valuable (esp those replies with Kudos).

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Re: A local restaurant recently renovated its dining space, purchasing new   [#permalink] 23 Dec 2017, 06:50
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