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If 6 students, representing 16 2/3% of the class, failed algebra, how

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Joined: 02 Sep 2009
Posts: 58449
If 6 students, representing 16 2/3% of the class, failed algebra, how  [#permalink]

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10 Oct 2019, 00:07
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If 6 students, representing 16 2/3% of the class, failed algebra, how many students passed the course?

(A) 48

(B) 42

(C) 36

(D) 30

(E) 32

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Joined: 25 Jul 2018
Posts: 273
Re: If 6 students, representing 16 2/3% of the class, failed algebra, how  [#permalink]

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10 Oct 2019, 00:38
6 — 50/3 %
x —100%

—> x=6*100/(50/3)= 36
In total, there are 36 students in the class. From them, 36–6=30 students passed the exam

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Re: If 6 students, representing 16 2/3% of the class, failed algebra, how   [#permalink] 10 Oct 2019, 00:38
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