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Manhattan | CR | Got it incorrect

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Manhattan | CR | Got it incorrect

by [email protected] » Fri Nov 04, 2016 6:18 am
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?
"¢ The availability of energy-efficient equipment will reduce the energy costs of the restaurant industry by approximately 30 percent.
"¢ No industry in the United States spends greater than $10 billion each year on energy.
"¢ By using energy-efficient technology, a small restaurant will reduce its expenses by a greater percentage than will a large restaurant.
"¢ Approximately $2 billion of the amount spent on energy each year by the restaurant industry is not squandered.
"¢ The replacement of inefficient equipment represents the largest potential source of energy savings for the restaurant industry.

E
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by [email protected] » Fri Nov 04, 2016 6:24 am
Hi Experts,

I got this incorrect. Please help me eliminate the wrong answers and find the correct answer.
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by AlexWP88 » Fri Nov 04, 2016 6:43 am
Hi

the only two potenbtially available questions are D and E.
The reason why E is correct over D is that this is a "main point" question and not a "must be true". Therefore, while D is an accurate reponse as it uses facts stated in the stimulus, it doesn't summarize the main point of the stimulus, which is what E does. You can find more details and tips iin the PowerScore CR book.
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by [email protected] » Sun Nov 06, 2016 11:41 pm
Hi,

Can you please suggest why is C incorrect?
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by fiza gupta » Tue Nov 08, 2016 3:30 am
C is incorrect because
70% are small restaurants(use energy-efficient technology) and approx 80% or 8 billion amount spent is wasted
we dont know the proportions, small restaurants are wasting how much of 8 billion
70% may sound confusing but large number of small scale industires doesnot mean that they are wasting large proportion of energy or expenses.
remaining 30% of larger industries might be wasting 90% of 8 billion amount or 5%
hence we cannot compare their percentages because that will varry depending upon their proption
Fiza Gupta
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by crackverbal » Tue Nov 22, 2016 10:30 pm
let us look at the data given.

$ 10 billion is spent on energy by the Restaurant Industry.
$ 8 billion is squandered by the use of inefficient equipment.
This does not mean that all of the remaining $2 billion is not squandered. It is quite possible that some amount of this is squandered by other means. (for example - not changing filters, not switching off equipment when not needed etc etc.)

70% are small businesses that are too poor to invest in energy-efficient technology.
this does not mean that the remaining 30% of restaurants can afford such technology. Some of these restaurants might be medium sized businesses that might not be able to afford energy-efficient technology.

A - incorrect. look at the reasoning above.
Also, "availability" does not necessarily mean that the remaining 30% of restaurants will use them.
What if the energy costs of the remaining 30% make up only 20% of the total energy costs. Then reduction cannot be 30%.

B - cannot be inferred. We do not have any information on the energy costs of other industries.

C - cannot be inferred.
For example - let us assume that a small restaurant spends 10$ on its energy expenses and that a large restaurant spends 100$. 80% of the costs are squandered because of using inefficient equipment.
Usage of energy efficient equipment removes these inefficiencies.
by using efficient equipment they reduce their energy costs to 2$ and 20$. In both cases, the percentage reduction in energy costs is the same - 80%.

D - cannot be inferred. Some of the $2 billion might be squandered on other things.

E - correct answer. note the word "potential".
such a replacement can potentially reduce the overall energy costs by 80%. (Any strategy that reduces the energy costs by more than 50% will be largest source of energy savings).
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