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# W+X < 0. is W-Y > 0 ? 1- x+y < 0 2- y<x<w

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Manager
Joined: 12 Sep 2005
Posts: 65
Location: USofA
Followers: 1

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

W+X < 0. is W-Y > 0 ? 1- x+y < 0 2- y<x<w [#permalink]  24 Mar 2006, 14:12
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W+X < 0. is W-Y > 0 ?

1- x+y < 0
2- y<x<w

Edited: os to is

Last edited by Zagros on 24 Mar 2006, 14:25, edited 1 time in total.
Manager
Joined: 20 Feb 2006
Posts: 216
Followers: 1

Kudos [?]: 5 [0], given: 0

Zagros,
question is not clear. what does "os" stand for?
Manager
Joined: 22 Apr 2005
Posts: 129
Location: Los Angeles
Followers: 1

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

Look at 2:
y<x<w - subtract y
0 < x-y < w-y

Sufficient

Look at 1:
x+y < 0
w+x < 0

x = -1, y = -2, w = -1 : w-y = 1 > 0
x = -1, y = -2, w = -3 : w-y = -1 <0

Insufficient

The answear is B
Manager
Joined: 12 Sep 2005
Posts: 65
Location: USofA
Followers: 1

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

Tyr, Thanks for the explanation. B is indeed the right answer.
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