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In a certain class, 5/12 of all the students are girls
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11 Jul 2019, 00:01
11 Jul 2019, 00:01
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Question Stats:
70% (01:34) correct
29% (01:25) wrong based on 74 sessions
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In a certain class, 5/12 of all the students are girls and 1/4 of all the students are girls who take Spanish. What fraction of the girls take Spanish?
(A) \(\frac{5}{48}\)
(B) \(\frac{5}{12}\)
(C) \(\frac{2}{5}\)
(D) \(\frac{3}{5}\)
(E) \(\frac{7}{12}\)
(A) \(\frac{5}{48}\)
(B) \(\frac{5}{12}\)
(C) \(\frac{2}{5}\)
(D) \(\frac{3}{5}\)
(E) \(\frac{7}{12}\)
Re: In a certain class, 5/12 of all the students are girls
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12 Jul 2019, 06:06
12 Jul 2019, 06:06
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Carcass wrote:
In a certain class, 5/12 of all the students are girls and 1/4 of all the students are girls who take Spanish. What fraction of the girls take Spanish?
(A) \(\frac{5}{48}\)
(B) \(\frac{5}{12}\)
(C) \(\frac{2}{5}\)
(D) \(\frac{3}{5}\)
(E) \(\frac{7}{12}\)
(A) \(\frac{5}{48}\)
(B) \(\frac{5}{12}\)
(C) \(\frac{2}{5}\)
(D) \(\frac{3}{5}\)
(E) \(\frac{7}{12}\)
Here,
Let's take the total students = \(48\) (since it is divisible by both 12 and 4)
\(\frac{5}{12}\) of all the students are girls = \(\frac{5}{12} * 48 = 20\) girls
\(\frac{1}{4}\) of all the students are girls take Spanish =\(\frac{1}{4}* 48 = 12\) girls take Spanish
Therefore,
fraction of the girls take Spanish = \(\frac{12}{20} = \frac{3}{5}\)
Re: In a certain class, 5/12 of all the students are girls
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31 May 2020, 05:04
31 May 2020, 05:04
2
Carcass wrote:
In a certain class, 5/12 of all the students are girls and 1/4 of all the students are girls who take Spanish. What fraction of the girls take Spanish?
(A) \(\frac{5}{48}\)
(B) \(\frac{5}{12}\)
(C) \(\frac{2}{5}\)
(D) \(\frac{3}{5}\)
(E) \(\frac{7}{12}\)
(A) \(\frac{5}{48}\)
(B) \(\frac{5}{12}\)
(C) \(\frac{2}{5}\)
(D) \(\frac{3}{5}\)
(E) \(\frac{7}{12}\)
Total number of students - X
Girl students - 3/12
Girl students who speak Spanish - 1/4
Fraction of GIRLS who speak Spanish = Girl students who speak Spanish/Girl students -> 1/4:5/12 -> 1/4*12/5 ->3/5
