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The distance from the x -axis to point P is half the distance from the y -axis to point P . If the coordinates of P are ( x , - 7), how many units is P from the y -axis?

3.5
7
9.8
10.5
14

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cans: Legendary Member; Posts: 1309; Joined: Mon Apr 04, 2011 5:34 am; Location: India; Thanked: 310 times; Followed by:123 members; GMAT Score:750

by cans » Wed Sep 21, 2011 8:52 pm

P(x,-7)
distance from y-axis = x
distance from x-axis = -7.
-7 = x/2
thus x = -14
or P is 14 units from y-axis.
IMO E

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Cans!!

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Anurag@Gurome: GMAT Instructor; Posts: 3835; Joined: Fri Apr 02, 2010 10:00 pm; Location: Milpitas, CA; Thanked: 1854 times; Followed by:523 members; GMAT Score:770

by Anurag@Gurome » Wed Sep 21, 2011 8:57 pm

jogi1984 wrote:The distance from the x -axis to point P is half the distance from the y -axis to point P . If the coordinates of P are ( x , - 7), how many units is P from the y -axis?

3.5
7
9.8
10.5
14

Distance from x-axis = -7, as P is (x, -7)
Distance from y-axis = x
So, -7 = x/2 which implies x = -14
Hence, P is 14 units from y-axis.

The correct answer is E.

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