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Burgerville

by joannabanana » Tue Sep 21, 2010 12:54 pm
Every student graduating from Burgerville college is either a 4-year student or a transfer student. If Burgerville is graduating an equal number of 4-year students and transfer students, what fraction of the students who graduate with honors are transfer students?

(1) Of the 700 transfer students graduating, 300 are graduating with honors.

(2) Fifty percent more transfer students than 4-year students are graduating with honors.
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by joannabanana » Wed Sep 22, 2010 3:44 am
Please help!
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by kvcpk » Wed Sep 22, 2010 4:02 am
joannabanana wrote:Every student graduating from Burgerville college is either a 4-year student or a transfer student. If Burgerville is graduating an equal number of 4-year students and transfer students, what fraction of the students who graduate with honors are transfer students?

(1) Of the 700 transfer students graduating, 300 are graduating with honors.

(2) Fifty percent more transfer students than 4-year students are graduating with honors.
To calcualte the fraction of the students who graduate with honors, we need
Number of transfer students / Number of the students who graduate with honors

Stmt1 does not give info about total number of students who graduated with honors.
hence INSUFF

stmt2 says:
if F 4 year students are graduating with honors, then 3F/2 Transfer students are graduatig with honors.
Which means, total = F+3F/2 = 5F/2

Hence Ratio = 3F/2 / 5F/2 = 3/5

pick B.

Hope this helps!!
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