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factory workers/help!!!

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Intern
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factory workers/help!!! [#permalink]

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New post 09 Nov 2009, 12:44
00:00
A
B
C
D
E

Difficulty:

(N/A)

Question Stats:

20% (00:00) correct 80% (01:08) wrong based on 7 sessions

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A factory has 500 workers, 15 percent of whom are women. If 50 additional workers are to be hired and all of the present workers remain, how many of the additional workers must be women in order to raise the percent of women employees to 20 percent?

(A) 3
(B) 10
(C) 25
(D) 30
(E) 35

Book says (B), i think its (E) .. any suggestions?

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Re: factory workers/help!!! [#permalink]

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New post 09 Nov 2009, 13:04
elinka wrote:
A factory has 500 workers, 15 percent of whom are women. If 50 additional workers are to be hired and all of the present workers remain, how many of the additional workers must be women in order to raise the percent of women employees to 20 percent?

(A) 3
(B) 10
(C) 25
(D) 30
(E) 35

Book says (B), i think its (E) .. any suggestions?


getting E as well
15(500) + 10 /550 = 85/550 = 15% but questions asks for 20%

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Re: factory workers/help!!! [#permalink]

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New post 09 Nov 2009, 13:09
Check the source because I looked up that question on google and found a doc that listed E as the answer as well

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Senior Manager
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Affiliations: PMP
Joined: 13 Oct 2009
Posts: 298

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Re: factory workers/help!!! [#permalink]

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New post 09 Nov 2009, 13:33
20% off 550 = 110

currently there are 15% off 500, which is 75

so 110-75 = 35 . Ans. E

There is no twist to this, must be E.

Edited - after hgp2k found error (blame it on the FAST FINGERS .......) :)
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Last edited by srini123 on 09 Nov 2009, 14:08, edited 2 times in total.

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Re: factory workers/help!!! [#permalink]

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New post 09 Nov 2009, 16:12
thanks guys, there was probably a typo in the books answers, just wanted to make sure i was not having a blond moment :D
thanx again xoxox

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Location: India
Concentration: Finance, International Business
WE: Information Technology (Investment Banking)
Re: factory workers/help!!! [#permalink]

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New post 15 Oct 2011, 23:48
My answer is also E.

elinka: what is the source of the question?

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Re: factory workers/help!!! [#permalink]

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New post 16 Oct 2011, 00:13
thanks subhajeet

not sure anymore where the Q is from, been a while now. I remember I downloaded a whole bunch of ebooks, tests, etc but I can't give you a precise source, sorry!

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Re: factory workers/help!!!   [#permalink] 16 Oct 2011, 00:13
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