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If neither X nor Y is 0, what is (2x+y) / (x-2y)? 1. x/(x+y)

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CEO
CEO
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Joined: 21 Jan 2007
Posts: 2769
Location: New York City
Followers: 8

Kudos [?]: 253 [0], given: 4

If neither X nor Y is 0, what is (2x+y) / (x-2y)? 1. x/(x+y) [#permalink] New post 02 Dec 2007, 00:50
If neither X nor Y is 0, what is (2x+y) / (x-2y)?

1. x/(x+y) =2
2. x-2y = 4
SVP
SVP
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Joined: 05 Jul 2006
Posts: 1541
Followers: 5

Kudos [?]: 83 [0], given: 39

Re: 18.8 Algebra [#permalink] New post 02 Dec 2007, 02:33
bmwhype2 wrote:
If neither X nor Y is 0, what is (2x+y) / (x-2y)?

1. x/(x+y) =2
2. x-2y = 4


from 1:

2x+2y = x ie: 2y = -x
ie: x = -2y
2x+y) / (x-2y = -3y/-4y = 3/4.....suff

from 2

x = 4+2y

(2x+y) / (x-2y) = 8+5y / 4........insuff

My answer is A
Re: 18.8 Algebra   [#permalink] 02 Dec 2007, 02:33
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If neither X nor Y is 0, what is (2x+y) / (x-2y)? 1. x/(x+y)

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