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How many of the enrolled students are not majoring in humani

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How many of the enrolled students are not majoring in humani [#permalink] New post 03 Feb 2017, 02:29
Expert's post
00:00

Question Stats:

100% (00:53) correct 0% (00:00) wrong based on 16 sessions


Attachment:
GRE - powerprep student enrollment at a small college.jpg
GRE - powerprep student enrollment at a small college.jpg [ 52.13 KiB | Viewed 357 times ]


How many of the enrolled students are not majoring in humanities, social sciences, or physical sciences?

A) 87

B) 122

C) 182

D) 230

E) 322
[Reveal] Spoiler: OA

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Re: How many of the enrolled students are not majoring in humani [#permalink] New post 15 Feb 2017, 19:46
Expert's post
Explanation

What percent of the students are not majoring in Humanities (33%), Social sciences (30%), or Physical sciences (24%)?
33% + 30% + 24% + ? = 100%
87% + ? = 100%
? = 13%

If the the total enrollment is 1400 students, then 13% of 1400 is how many students?


13% of 1400 is how many students?
0.13 × 1400 = ?
182 = ?

Hence option C is correct.
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Re: How many of the enrolled students are not majoring in humani [#permalink] New post 12 May 2017, 08:14
Expert's post
Carcass wrote:


Image

How many of the enrolled students are not majoring in humanities, social sciences, or physical sciences?

A) 87

B) 122

C) 182

D) 230

E) 322


The right-side graphic tells us the percentage of students in majoring in humanities, social sciences, or physical sciences.
33% + 30% + 24% = 87%, which means 13% of the student population (of 1400 students) is UNACCOUNTED FOR.
Those students that are unaccounted for are the students who are NOT majoring in humanities, social sciences, or physical sciences

So, 13% of the 1400 students are NOT majoring in humanities, social sciences, or physical sciences
13% of 1400 = 182

Answer:
[Reveal] Spoiler:
C

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