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# In XYZ university, professors teach account or finance. 2/3

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Director
Joined: 14 Sep 2005
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In XYZ university, professors teach account or finance. 2/3 [#permalink]  26 Nov 2005, 06:34
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8. In XYZ university, professors teach account or finance. 2/3 of the professors teach accounting, and no professor teaches both accounting and finance. What is the ratio of the number of finance professors who also teach in another university to the number of finance professors
who teaches only in XYZ university?

(1) Among accounting professors, 1/2 teaches also in another university.
(2) The ratio of the number of accounting professors who also teach in another university to the number of finance professors who also teach in another university is 4:3.
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Auge um Auge, Zahn um Zahn !

Last edited by gamjatang on 30 Nov 2005, 23:17, edited 1 time in total.
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C)...x=professors...2/3x=accounting...1/3x=finance

1) 1/3x accounting prof teaches in another univ. not enough. insuff

2) not enough. insuff

1)+2) 1/3/x=4/3=>x=1/4 finance prof teach in 2 univ. 1/12 finance prof teach only at xyz. (1/4)/(1/12)=3/1=ratio of the number of finance professors who also teach in another university to the number of finance professors who teaches only in XYZ university !
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If your mind can conceive it and your heart can believe it, have faith that you can achieve it.

Director
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I agree with Christoph
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