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

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Joined: 31 Dec 1969
Location: India
Concentration: Strategy, Human Resources
GMAT 1: 710 Q49 V0
GMAT 2: 740 Q40 V50
GMAT 3: 700 Q48 V38
GMAT 4: 710 Q45 V41
GPA: 3.31
Followers: 0

Kudos [?]: 93 [0], given: 88366

2002 sales increase x% from 2001. 2003 sales decrease x% [#permalink]  02 Jun 2004, 10:38
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
Posts: 1794
Location: NewJersey USA
Followers: 5

Kudos [?]: 43 [0], given: 0

[#permalink]  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
[#permalink] 02 Jun 2004, 11:11
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# 2002 sales increase x% from 2001. 2003 sales decrease x%

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