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# On the number line, what is the distance between the point

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Manager
Joined: 23 Jan 2008
Posts: 108

Kudos [?]: 98 [0], given: 0

On the number line, what is the distance between the point [#permalink]

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04 Feb 2008, 19:14
00:00

Difficulty:

(N/A)

Question Stats:

100% (01:40) correct 0% (00:00) wrong based on 6 sessions

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This topic is locked. Open discussion of this question: on-the-number-line-what-is-the-distance-between-the-point-2x-and-the-211857.html#p1630517.

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

1. On the number line, distance between the point -x and the point x is 16 .
2. On the number line, distance between the point x and the point 3x is 16

Kudos [?]: 98 [0], given: 0

SVP
Joined: 29 Aug 2007
Posts: 2472

Kudos [?]: 843 [0], given: 19

Re: On the number line, what is the distance between the point [#permalink]

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04 Feb 2008, 23:09
blog wrote:
On the number line, what is the distance between the point 2x and the point 3x ?

1. On the number line, distance between the point -x and the point x is 16 .
2. On the number line, distance between the point x and the point 3x is 16

I got D in either way.

the distance is 8.
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Kudos [?]: 843 [0], given: 19

Manager
Joined: 01 Jan 2008
Posts: 222

Kudos [?]: 62 [0], given: 2

Schools: Booth, Stern, Haas
Re: On the number line, what is the distance between the point [#permalink]

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04 Feb 2008, 23:17
D, agree
1 distance from -x to x is 16 means that distance from x to 0 is 16/2 and x is 8th point_suff
2 distance from x to 3x (3x-x=2x) is 16, if 2x =16=> x = 8_suf

Kudos [?]: 62 [0], given: 2

Director
Joined: 05 Jan 2008
Posts: 685

Kudos [?]: 601 [0], given: 0

Re: On the number line, what is the distance between the point [#permalink]

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05 Feb 2008, 00:03
It is a clear D

We need to find X (3X-2X)

So if we can compute X from either of the statements we are fine.

From 1=> 2X=16 => x=8
From 2 => 2X=16=> X=8

Regards,
Prasanna
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Persistence+Patience+Persistence+Patience=G...O...A...L

Kudos [?]: 601 [0], given: 0

VP
Joined: 22 Oct 2006
Posts: 1437

Kudos [?]: 196 [0], given: 12

Schools: Chicago Booth '11
Re: On the number line, what is the distance between the point [#permalink]

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05 Feb 2008, 09:41
We need to find difference

3X-2X

We can factor out X

X(3-2)

X(1)

X

So all we need to do is find any statement that gives us X.

Both statements do that nicely.

Kudos [?]: 196 [0], given: 12

Re: On the number line, what is the distance between the point   [#permalink] 05 Feb 2008, 09:41
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