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Roland: It is important for us to cut down on our usage of fossil fuel

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Roland: It is important for us to cut down on our usage of fossil fuel  [#permalink]

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New post Updated on: 01 Aug 2018, 01:14
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  65% (hard)

Question Stats:

50% (01:26) correct 50% (01:28) wrong based on 60 sessions

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Roland: It is important for us to cut down on our usage of fossil fuels. Therefore, we must invest in new hybrid technology for vehicles. Hybrid technology will help us decrease our dependency on fossil fuels. Hybrid vehicles use half the fossil fuels per mile than other vehicles.


Roland assumes which one of the following?

    A. That drivers who switch from regular vehicles to hybrid vehicles will drive less than twice as much as they did prior to the switch

    B. That more consumers will be able to afford hybrid vehicles than other types of vehicles

    C. That all vehicles can be converted to hybrid technology

    D. That hybrid vehicles have the same horsepower as fossil fueled vehicles

    E. That the consumer demand for hybrid vehicles is elastic

Originally posted by AshutoshB on 01 Aug 2018, 01:07.
Last edited by Bunuel on 01 Aug 2018, 01:14, edited 1 time in total.
Added A, B, C, D, and E.
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Roland: It is important for us to cut down on our usage of fossil fuel  [#permalink]

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New post Updated on: 02 Aug 2018, 01:59
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Official Explanation


The best answer is A. This is an assumption question. In order to state that hybrid vehicles will decrease our dependency on fossil fuels, it must be assumed that people will drive less than twice as much as they would with non-hybrid vehicles. Because hybrids use half as much fossil fuel as non-hybrids per mile, if drivers traveled more than twice as much in hybrids, there would be no net savings. Each of the other answer choices is irrelevant to the argument.

Hit Kudos :thumbup:

Originally posted by AshutoshB on 01 Aug 2018, 01:20.
Last edited by AshutoshB on 02 Aug 2018, 01:59, edited 1 time in total.
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Re: Roland: It is important for us to cut down on our usage of fossil fuel  [#permalink]

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New post 01 Aug 2018, 01:35
+1 for A

A. That drivers who switch from regular vehicles to hybrid vehicles will drive less than twice as much as they did prior to the switch
- Correct. Switching regular vehicles by hybrid vehicles will be of no use if people drive more which will in turn use the same amount of fossil fuels

B. That more consumers will be able to afford hybrid vehicles than other types of vehicles
- Incorrect. Affordability is irrelevant

C. That all vehicles can be converted to hybrid technology
- Incorrect.Conversion to hybrid tech isn't related to efficiency

D. That hybrid vehicles have the same horsepower as fossil fueled vehicles
-Incorrect. Horsepower is irrelavant

E. That the consumer demand for hybrid vehicles is elastic
- Incorrect. This is no where mentioned in the argument.

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Re: Roland: It is important for us to cut down on our usage of fossil fuel  [#permalink]

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New post 01 Aug 2018, 02:21
As per the argument, the conclusion made is that we must invest in hybrid technology for vehicles as it is important to cut down on fuels as hybrid vehicles use half the fossil fuels per mile than other vehicles.
The author has not taken into consideration the usage of fossil fuels and distance travelled by the people.in this case, we have to assume that people will be using the same amount of fuel otherwise the plan is not going to work.
This is a planning pattern and the assumption is that there is no problem with the plan. Let us now do POE
A-Correct
B-Affordability is out of scope
C-Extreme and out of scope
D-Horsepower is not discussed
E-Not concerned with the consumer's demand.
Hope it helps.
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Re: Roland: It is important for us to cut down on our usage of fossil fuel &nbs [#permalink] 01 Aug 2018, 02:21
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