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manalq8
Joined: 12 Apr 2011
Last visit: 12 Feb 2012
Posts: 106
Given Kudos: 52
Status:D-Day is on February 10th. and I am not stressed
Affiliations: American Management association, American Association of financial accountants
Location: Kuwait
Concentration: finance and international business
Schools:Columbia university
GPA: 3.48
16 Jan 2012, 10:50
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E
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Difficulty:
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Question Stats:
80% (02:08) correct
20%
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wrong
based on 261
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In Springfield High, three out of every four male students and one out of every two female students can speak a foreign language. If the number of male students is two-thirds that of the female students, what fraction of all the students at the school can speak a foreign language?
A. 1/3
B. 2/3
C. 1/2
D. 4/3
E. 3/5
A. 1/3
B. 2/3
C. 1/2
D. 4/3
E. 3/5
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18 Oct 2023, 09:28
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In Springfield High, three out of every four male students and one out of every two female students can speak a foreign language. If the number of male students is two-thirds that of the female students, what fraction of all the students at the school can speak a foreign language?
A. \(\frac{1}{3}\)
B. \(\frac{2}{3}\)
C. \(\frac{1}{2}\)
D. \(\frac{3}{4}\)
E. \(\frac{3}{5}\)
The number of male students is two-thirds that of female students: \(m=\frac{2}{3}f\). This gives us a ratio of \(m:f=2:3\).
Assuming the total number of students is 100, we would have 40 male students and 60 female students, based on the 2:3 ratio.
Given this, \(\frac{3}{4}*40=30\) male students and \(\frac{1}{2}*60=30\) female students speak a foreign language. This totals to 60 students, which represents \(\frac{60}{100}=\frac{3}{5}\) of all students.
Answer: E
A. \(\frac{1}{3}\)
B. \(\frac{2}{3}\)
C. \(\frac{1}{2}\)
D. \(\frac{3}{4}\)
E. \(\frac{3}{5}\)
The number of male students is two-thirds that of female students: \(m=\frac{2}{3}f\). This gives us a ratio of \(m:f=2:3\).
Assuming the total number of students is 100, we would have 40 male students and 60 female students, based on the 2:3 ratio.
Given this, \(\frac{3}{4}*40=30\) male students and \(\frac{1}{2}*60=30\) female students speak a foreign language. This totals to 60 students, which represents \(\frac{60}{100}=\frac{3}{5}\) of all students.
Answer: E
General Discussion
16 Jan 2012, 12:27
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manalq8
Consider total students = 120
given, M = (2/3)F
so F= 72 and M = 48
3/4M +1/2F speak foreign language = (3/4)* 48 + (1/2)*72 = 36+36 = 72
ratio = 72/120 = 3/5
E
