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x = 8y + 12

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poonamchiK
 Post subject: x = 8y + 12
 Post Posted: Fri Nov 05, 2010 1:06 am 
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Students


Posts: 102
If x and y are integers such that
x= 8y + 12
what is a common divisor for x and y?

a. x = 12u
b. y = 12z

where u and z are also integers.

thx in advance
P
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jnelson0612
 Post subject: Re: x = 8y + 12
 Post Posted: Sun Nov 07, 2010 5:27 pm 
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ManhattanGMAT Staff


Posts: 1857
poonamchiK wrote:
If x and y are integers such that
x= 8y + 12
what is a common divisor for x and y?

a. x = 12u
b. y = 12z

where u and z are also integers.

thx in advance
P


PoonamchiK,
This problem looks a little weird to me. Will you check the specific wording and confirm that all I need to do is find a common divisor for x and y? I ask because if I know that x and y are integers I could just use 1 as the common divisor without going to the statements. I want to ensure we have the precise language before we start working on this.

_________________
Jamie Nelson
ManhattanGMAT Instructor
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