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A, B, C, and D are points on a line, and D is the midpoint of line seg

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Math Expert
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V
Joined: 02 Sep 2009
Posts: 58340
A, B, C, and D are points on a line, and D is the midpoint of line seg  [#permalink]

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New post 04 Oct 2018, 02:03
00:00
A
B
C
D
E

Difficulty:

  25% (medium)

Question Stats:

88% (01:40) correct 13% (01:58) wrong based on 28 sessions

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Intern
Intern
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B
Joined: 10 Apr 2018
Posts: 6
GMAT ToolKit User
A, B, C, and D are points on a line, and D is the midpoint of line seg  [#permalink]

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New post 04 Oct 2018, 02:40
1
First I put the information given in correct order.

It´s A C D B

Then I drew the lines on a piece of paper.

A--------------------------------B 20
A---------6 C---------D(7)--------B 14
A--------------------D 6+7= 13

So in my opinion it should be 13.

But I don´t know if there is a faster way to do it.
GMAT Club Bot
A, B, C, and D are points on a line, and D is the midpoint of line seg   [#permalink] 04 Oct 2018, 02:40
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A, B, C, and D are points on a line, and D is the midpoint of line seg

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