LSAT 139 – Section 4 – Question 25

LSAT 139 - Section 4 - Question 25

June 2013

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Question
QuickView		 Type Tags Answer
Choices		 Curve Question
Difficulty		 Psg/Game/S
Difficulty		 Explanation
PT139 S4 Q25
+LR
Point at issue: agree +Agree
Causal Reasoning +CausR
Net Effect +NetEff
A
5%
161
B
75%
166
C
11%
161
D
4%
157
E
6%
159
145
154
164
 +Harder 148.326 +SubsectionMedium

Video of JY doing this

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Pauline: Some environmentalists claim that for the salmon to be saved, the hydroelectric dams on the river must be breached. But if the dams are breached, given the region’s growing population and booming industry, electrical costs will skyrocket.

Roger: The dams are already producing electricity at optimal capacity. So regardless of whether they are breached, we will have to find additional energy sources for the region.

Speaker 1 Summary
Pauline concludes that if the dams are breached, electrical costs will skyrocket. This is because the region has a growing population and a booming industry. (The phrase “given the region’s growing population and booming industry” is a premise.)

Speaker 2 Summary
Roger concludes that whether or not the dams are breached, we will have to find additional sources of energy for the region. This is because the dams are already producing electricity at the optimal capacity.

Objective
We’re looking for a point of agreement. The speakers agree that there will likely be growing demand for electricity in the region.

A
production from other energy sources cannot be increased in the near future to compensate for electricity production lost by breaching the dams
Roger doesn’t express an opinion. He says we will need to find additional sources. But he doesn’t say anything suggesting an opinion about whether we can or cannot find an alternative energy source in the near future.
B
there will be no significant decrease in demand for electricity in the region in the near future
This is a point of agreement. Pauline believes electrical costs will skyrocket if the dams are breached. Roger believes we’ll have to find additional energy sources. This suggests they don’t think electricity demand will decrease significantly in the near future.
C
if the dams remain in service but do not operate at optimal capacity, electrical costs in the region will rise
Not a point of agreement. Pauline doesn’t comment on what will happen if dams are not at optimal service. If dams are breached, electric costs will rise. But if dams are not breached, but still in service, we don’t know Pauline’s opinion.
D
some environmentalists who advocate saving the salmon believe that that goal overrides concerns about electrical costs
Roger doesn’t express an opinion. He doesn’t comment on environmentalists and their view concerning saving the salmon.
E
finding additional energy sources will not decrease the electrical costs in the region
Pauline doesn’t express an opinion. She doesn’t discuss finding additional energy sources and what that will do to electrical costs. She acknowledges electrical costs will skyrocket if the dam is breached. But that doesn’t indicate an opinion on other energy sources.

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LSAT PrepTest 139 Explanations

Section 1 - Logical Reasoning

Section 2 - Reading Comprehension

Section 3 - Reading Comprehension

Section 4 - Logical Reasoning

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