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# The restaurant business wastes more energy than any other

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Intern
Joined: 30 Aug 2010
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20 Sep 2010, 09:20
IMO E.

Agree with szaszka.
Director
Joined: 13 Aug 2009
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20 Sep 2010, 09:24
IMO E. agree with harsha1.
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Manager
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20 Sep 2010, 17:13
+1 for E, Cause it represents the entire CR and

The restaurant business wastes more energy than any other industry in the United States.(restaurant business wastes energy)

Nearly 80 percent of the \$10 billion spent on energy by the restaurant industry each year is squandered by the use of inefficient equipment.(wastes energy due to inefficient equipment )
At the same time, approximately 70 percent of restaurants in the United States are small businesses that are usually too cash poor to invest in energy-efficient technology.(wastes energy lack of energy-efficient technology)

Overall, energy can be saved by energy-efficient equipment
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20 Sep 2010, 17:39
I went for D.
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Intern
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20 Sep 2010, 23:44
i have chose "D" at first, but after thinking again, i think it is wrong,

the paragraph mentioned that 80% of waste caused by inefficient equipments, but may be there are another sources of waste

so i move to the answer "E"
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21 Sep 2010, 08:55
i think it's E too.
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21 Sep 2010, 17:25
anunayg wrote:
imo D since "replacement" in E is out of scope

Actually, D is definitely wrong. Just because the remaining 20% is not squandered in efficient equipment, doesn't mean it is not squandered. Maybe part of the 20% is squandered in keeping food hot ............ or something like that. Concluding the that remaining 20% is not squandered is out of scope.

The replacement in E is not really out of scope because the question is asking for a CONCLUSION. However, what is out of scope in E is that fact the replacement is the LARGEST source of savings.

A little sub-standard question. Hopefully GMAT should not have anything like this. Still, if you come across something like this, use POE. Used POE and was left with E (not the best choice though).

How so? The premise states that 80% of \$10 billion is squandered by the use of inefficient equipment, then it goes on and reinforces that 70% of small restaurants are too cash strapped to invest in energy-efficient technology, so its clear that the replacement would be the largest energy savings for the restaurant industry? I seeing it from a #'s perspective...
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22 Sep 2010, 08:04
My bad - I didn't realize it was LARGEST ENERGY SAVINGS. So that means E doesn't have any flaw after all.

All said and done only E makes any sense.
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Intern
Joined: 21 Sep 2010
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22 Sep 2010, 08:33
D is a stat but there is no reliable info that 2billion was efficiently used. However E is reasonable generic and acceptable reliable safe conclusion. All other answer choices are irrelevant
Intern
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25 Sep 2010, 05:27
I went with D, but apparently E is answer although 'replacement' in E seems out of scope.
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Manager
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22 Sep 2011, 09:27
Same mistake D was catchy due to 20% - 80% split and hence went for it.
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CR notes
http://gmatclub.com/forum/massive-collection-of-verbal-questions-sc-rc-and-cr-106195.html#p832142
http://gmatclub.com/forum/1001-ds-questions-file-106193.html#p832133
http://gmatclub.com/forum/gmat-prep-critical-reasoning-collection-106783.html
http://gmatclub.com/forum/how-to-get-6-0-awa-my-guide-64327.html
http://gmatclub.com/forum/how-to-get-6-0-awa-my-guide-64327.html?hilit=chineseburned

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22 Sep 2011, 15:46
E is the best
Manager
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23 Sep 2011, 14:34
I went with D
Intern
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23 Sep 2011, 18:09
Ans:E
The restaurant business wastes more energy than any other industry in the United States. Nearly 80 percent of the \$10 billion spent on energy by the restaurant industry each year is squandered by the use of inefficient equipment. At the same time, approximately 70 percent of restaurants in the United States are small businesses that are usually too cash poor to invest in energy-efficient technology.

Which of the following statements draws the most reliable conclusion from the information above

(A) The availability of energy-efficient equipment will reduce the energy costs of the restaurant industry by approximately 30 percent.
The question doesnt give any information on how much energy efficient equipment will reduce the energy costs by.

(B) No industry in the United States spends greater than \$10 billion each year on energy.

(C) By using energy-efficient technology, a small restaurant will reduce its expenses by a greater percentage than will a large restaurant.
The question does not compare expenses of a small and large restaurants.

(D) Approximately \$2 billion of the amount spent on energy each year by the restaurant industry is not squandered.
Question says \$8billion is squandered on energy costs. It does not specify if the remaining \$2billion is a justified expense or is squandered on something else.

(E) The replacement of inefficient equipment represents the largest potential source of energy savings for the restaurant industry.
Manager
Joined: 21 May 2011
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23 Sep 2011, 18:20
E is the only one which must be true in all conditions.

D is incorrect, because what if 10 percent of the \$10 billion spent on energy by the restaurant industry each year is squandered by the use of neon lights (just an example)? then the non-squandered amount reduces to \$1b.
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24 Sep 2011, 01:12
(D) Approximately \$2 billion of the amount spent on energy each year by the restaurant industry is not squandered.----\$ 2 B may be Squandered by something else.
(E) The replacement of inefficient equipment represents the largest potential source of energy savings for the restaurant industry. ---This seems to be a better conclusion. Less ambiguous than D
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21 Nov 2011, 00:04
E is the most relevant and hits the bulls eye
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21 Nov 2011, 14:47
why not A? any explanations?
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13 Dec 2011, 02:10
E
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24 Dec 2011, 03:21
D and E were very confusing. But the necessity in D for the remaining amount not to be squandered away is extreme. It is not necessary to be so. E is decipherable from the premises and hence is the proper conclusion.
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Re: The restaurant business wastes more energy than any other   [#permalink] 24 Dec 2011, 03:21

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