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# 2002 sales increase x% from 2001. 2003 sales decrease x%

Author Message
Joined: 31 Dec 1969
Location: Russian Federation
Concentration: Technology, Entrepreneurship
GMAT 1: 710 Q49 V0
GMAT 2: 700 Q V
GMAT 3: 740 Q40 V50
GMAT 4: 700 Q48 V38
GMAT 5: 710 Q45 V41
GMAT 6: 680 Q47 V36
GMAT 7: Q42 V44
GMAT 8: Q42 V44
GMAT 9: 740 Q49 V42
GMAT 10: 740 Q V
GMAT 11: 500 Q47 V33
GMAT 12: 670 Q V
WE: Engineering (Manufacturing)
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Kudos [?]: 200 [0], given: 102217

2002 sales increase x% from 2001. 2003 sales decrease x% [#permalink]

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02 Jun 2004, 10:38
This topic is locked. If you want to discuss this question please re-post it in the respective forum.

2002 sales increase x% from 2001. 2003 sales decrease x% from 2002. 2003 sales are 9% less than 2001. what is x?
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Joined: 30 Oct 2003
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02 Jun 2004, 11:11
(1 + x/100 )( 1- x/100 )P = (1-9/100)P
1-sqr(x/100) = (1-9/100)
x/100 = 3/10
x = 30
02 Jun 2004, 11:11
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