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# If x and y are positive integers and 1 + x + y + xy = 15,

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VP
Joined: 03 Apr 2007
Posts: 1366
Followers: 3

Kudos [?]: 354 [0], given: 10

If x and y are positive integers and 1 + x + y + xy = 15, [#permalink]  01 Jun 2008, 12:12
00:00

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Question Stats:

0% (00:00) correct 0% (00:00) wrong based on 0 sessions
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If x and y are positive integers and 1 + x + y + xy = 15, what is the value of x + y?
A. 3
B. 5
C. 6
D. 8
E. 9
Director
Joined: 03 Sep 2006
Posts: 878
Followers: 6

Kudos [?]: 420 [0], given: 33

Re: PS -x+y [#permalink]  01 Jun 2008, 15:16
goalsnr wrote:
If x and y are positive integers and 1 + x + y + xy = 15, what is the value of x + y?
A. 3
B. 5
C. 6
D. 8
E. 9

$$(4+2)+(4*2) = 14$$

Therefore, "C"
Re: PS -x+y   [#permalink] 01 Jun 2008, 15:16
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