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If the perimeter of the triangle above is 19, then x =

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V
Joined: 02 Sep 2009
Posts: 42607

Kudos [?]: 135660 [0], given: 12705

If the perimeter of the triangle above is 19, then x = [#permalink]

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New post 01 Sep 2017, 06:43
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A
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Difficulty:

  25% (medium)

Question Stats:

78% (00:21) correct 22% (00:24) wrong based on 26 sessions

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If the perimeter of the triangle above is 19, then x =

(A) 8
(B) 6
(C) 5 3/4
(D) 4
(E) 3 1/2

[Reveal] Spoiler:
Attachment:
2017-09-01_1836_003.png
2017-09-01_1836_003.png [ 4.51 KiB | Viewed 446 times ]
[Reveal] Spoiler: OA

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Kudos [?]: 135660 [0], given: 12705

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P
Joined: 04 Dec 2015
Posts: 696

Kudos [?]: 339 [0], given: 261

Location: India
Concentration: Technology, Strategy
Schools: ISB '19, IIMA , IIMB, XLRI
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Re: If the perimeter of the triangle above is 19, then x = [#permalink]

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New post 01 Sep 2017, 07:01
Bunuel wrote:
Image
If the perimeter of the triangle above is 19, then x =

(A) 8
(B) 6
(C) 5 3/4
(D) 4
(E) 3 1/2

[Reveal] Spoiler:
Attachment:
2017-09-01_1836_003.png

Perimeter \(= (x) + (x-1)+ (2x-4) = 19\)

\(x + x-1 + 2x-4 = 19\)

\(4x - 5 = 19\)

\(4x = 19 + 5 = 24\)

\(x = \frac{24}{4} = 6\)

Answer (B)...

Kudos [?]: 339 [0], given: 261

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B
Joined: 05 Oct 2014
Posts: 23

Kudos [?]: 12 [0], given: 88

Concentration: Finance, Entrepreneurship
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Re: If the perimeter of the triangle above is 19, then x = [#permalink]

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New post 07 Sep 2017, 12:52
Perimeter of given triangle = 19

also, perimeter = x+x-1+2x-4
= 4x -5

now, as both perimeter values are equal, we have

4x-5 = 19
x = 6

Option : B

Kudos [?]: 12 [0], given: 88

Re: If the perimeter of the triangle above is 19, then x =   [#permalink] 07 Sep 2017, 12:52
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If the perimeter of the triangle above is 19, then x =

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