Source: Official Guide for GMAT Review 2016 Sentence Correction; #77

4

While it costs about the same to

While it costs about the same to run nuclear plants as other types of power plants, it is the fixed costs that stem from building nuclear plants that makes it more expensive for them to generate electricity.

A. While it costs about the same to run nuclear plants as other types of power plants, it is the fixed costs that stem from building nuclear plants that makes it more expensive for them to generate electricity.

B. While the cost of running nuclear plants is about the same as for other types of power plants, the fixed costs that stem from building nuclear plants make the electricity they generate more expensive.

C. Even though it costs about the same to run nuclear plants as for other types of power plants, it is the fixed costs that stem from building nuclear plants that makes the electricity they generate more expensive.

D. It costs about the same to run nuclear plants as for other types of power plants, whereas the electricity they generate is more expensive, stemming from the fixed costs of building nuclear plants.

E. The cost of running nuclear plants is about the same as other types of power plants, but the electricity they generate is made more expensive because of the fixed costs stemming from building nuclear plants.

1 Explanation

1

Gravatar Mike McGarry, Magoosh Tutor

Aug 18, 2015 • Comment

ZOE ZHUYAN

hi Mike,
I am confused about your post of this question on the gmatclub's forums

here is the excerpt:
(2a) It costs about the same to run nuclear plants as it costs to run other types of power plants. = correct but too wordy
(2b) It costs about the same to run nuclear plants as to run other types of power plants. = better, with the common words "to run" dropped in the second branch.
(2c) It costs about the same to run nuclear plants as for other types of power plants. = even more elegant: this is what the GMAT loves!

http://gmatclub.com/forum/while-it-costs-about-the-same-to-run-nuclear-plants-as-other-134755-60.html

I got the idea that 2C is correct one, right?

while, I got a contract idea that 2C is incorrect from your explanation
C. Even though it costs about the same to run nuclear plants as for other types of power plants, it is the fixed costs that stem from building nuclear plants that makes the electricity they generate more expensive.
The comparison at the beginning is funky .....we could have
(1) it costs about the same to run nuclear plants as other types of power plants
or
(2) the cost of running nuclear plants is about the same as for other types of power plants
but combining these two correct versions, putting the "for" in with the verb "to run," is redundant. This also has the unnecessary emphatic construction in the second half. This is incorrect.

http://gmatclub.com/forum/while-it-costs-about-the-same-to-run-nuclear-plants-as-other-134755-40.html

please help to carify,

thanks a lot

have a nice day>_~

Sep 17, 2016 • Reply

Adam

Hi Shu,

It looks to me like there's a mistake in Mike's explanation here.

"It costs about the same to run nuclear plants as for other types of power plants" —> this is incorrect. The second part of Mike's explanation is correct:

The comparison at the beginning is funky .....we could have:

(1) it costs about the same to run nuclear plants as other types of power plants
or
(2) the cost of running nuclear plants is about the same as for other types of power plants

but combining these two correct versions, putting the "for" in with the verb "to run," is redundant.

This part of the explanation is right :)

I hope that helps!

Oct 1, 2016 • Reply

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