number line

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baller12q: Senior | Next Rank: 100 Posts; Posts: 44; Joined: Sat Mar 28, 2009 11:28 am

by baller12q » Sun Mar 29, 2009 6:21 pm

On the number line, what is the distance between the point 2x and the point 3x?

1) On the number line, the distance between the point -x and the point x is 16

2) On the number line, the distance between the point x and the point 3x is 16

i dont get this

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Source: Beat The GMAT — Data Sufficiency | Sun Mar 29, 2009 6:21 pm

Ramp: Junior | Next Rank: 30 Posts; Posts: 21; Joined: Mon Nov 24, 2008 1:56 am

by Ramp » Sun Mar 29, 2009 6:25 pm

Answer should be D
1. -x-x =16 ; we can find x
Same goes for statement 2.

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