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Source : GMATPrep At a certain university, the ratio of the [#permalink]
10 Oct 2008, 06:18

00:00

A

B

C

D

E

Difficulty:

(N/A)

Question Stats:

33% (00:00) correct
67% (00:48) wrong based on 3 sessions

Source : GMATPrep

At a certain university, the ratio of the number of teaching assistants to the number of students in any course must always be greater than 3:80. At this university, what is the maximum number of students possible in a course that has 5 teaching assistants? A) 130 B) 131 C) 132 D) 133 E) 134

I did not know how to proceed after the last step. I almost had the answer _________________

"You have to find it. No one else can find it for you." - Bjorn Borg

Re: PS : GMATPrep - University Ratio [#permalink]
10 Oct 2008, 15:22

[quote="amitdgr"]Source : GMATPrep

At a certain university, the ratio of the number of teaching assistants to the number of students in any course must always be greater than 3:80. At this university, what is the maximum number of students possible in a course that has 5 teaching assistants? A) 130 B) 131 C) 132 D) 133 E) 134

3:80 5:x

400/3 = 133.3 thus 133 ( note that even if it was 133.6 the answer will always remain 133 as we want the raio to be more than 3: 80 )

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