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PS Video Camera

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Senior Manager
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PS Video Camera [#permalink] New post 24 Aug 2008, 06:44
00:00

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0% (00:00) correct 0% (00:00) wrong based on 0 sessions
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Re: PS Video Camera [#permalink] New post 24 Aug 2008, 08:32
B

The number of video cameras produced in each 3 years as followed
1993 1000
1994 (1+x/100)*1000
1995 (1+y/100)*(1+x/100)*1000

In order to know the no of cameras produced in 1995, we have to know the value of
(1+y/100)*(1+x/100)=1+1/100*(x+y+xy/100)

I: insuf
II: suf, so answer B
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Re: PS Video Camera [#permalink] New post 24 Aug 2008, 09:18
judokan wrote:
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B

1995 production = 1000*(1 + x/100)*(1 + y/100)

We can forget about the 1000, we need to know:
(1 + x/100)*(1 + y/100) = 1 + x/100 + y/100 +xy/10000 = 1 + (1/100)(x + y + xy/100)

(2) answers this question
Re: PS Video Camera   [#permalink] 24 Aug 2008, 09:18
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