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At a certain college, there are 3 female students for every 2 male

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At a certain college, there are 3 female students for every 2 male [#permalink] New post   01 Nov 2018, 09:03
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At a certain college, there are 3 female students for every 2 male students. There are 300 students at the college. How many male students are there at this college?
A. 60
B. 120
C. 180
D. 240
E. 300
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B
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Re: At a certain college, there are 3 female students for every 2 male [#permalink] New post   01 Nov 2018, 09:33
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Ratio of F:M=3/2 - F=3M/2
F+M=300
3M/2 + M =300
5M=600
M=120
Answer: B
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Re: At a certain college, there are 3 female students for every 2 male [#permalink] New post   01 Nov 2018, 10:16
Baten80 wrote:
At a certain college, there are 3 female students for every 2 male students. There are 300 students at the college. How many male students are there at this college?
A. 60
B. 120
C. 180
D. 240
E. 300



3F+2M= 300 I.E. 5X=300, X = 60

OA:B
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Re: At a certain college, there are 3 female students for every 2 male [#permalink] New post   04 Nov 2018, 18:06
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Baten80 wrote:
At a certain college, there are 3 female students for every 2 male students. There are 300 students at the college. How many male students are there at this college?
A. 60
B. 120
C. 180
D. 240
E. 300


The ratio of females to males is 3 : 2, or 3x : 2x. We can create the equation:

3x + 2x = 300

5x = 300

x = 60, so there are 2 * 60 = 120 male students.

Answer: B
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Re: At a certain college, there are 3 female students for every 2 male [#permalink]
04 Nov 2018, 18:06
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