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The ratio of girls to boys in a class is 6: 7. If there are
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18 Mar 2020, 11:29
18 Mar 2020, 11:29
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Question Stats:
80% (00:16) correct
20% (00:19) wrong based on 25 sessions
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The ratio of girls to boys in a class is 6: 7. If there are 18 girls, how many total students are in the class?
A. 18
B. 21
C. 27
D. 28
E. 39
Kudos for the right answer and explanation
A. 18
B. 21
C. 27
D. 28
E. 39
Kudos for the right answer and explanation
Re: The ratio of girls to boys in a class is 6: 7. If there are
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29 Jul 2020, 10:39
29 Jul 2020, 10:39
1
Let no. of girls be 6x. So boys = 7x
6x = 18
=> x = 3
=> boys = 7*3 = 21
=> total students = 18 + 21 = 39
So, the answer is E.
6x = 18
=> x = 3
=> boys = 7*3 = 21
=> total students = 18 + 21 = 39
So, the answer is E.
gmatclubot
Re: The ratio of girls to boys in a class is 6: 7. If there are [#permalink]
29 Jul 2020, 10:39
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