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# The table above shows the distance, in kilometers, by the

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The table above shows the distance, in kilometers, by the [#permalink]

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18 Sep 2012, 03:32
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The table above shows the distance, in kilometers, by the most direct route, between any two of the four cities, R, S, T, and U. For example, the distance between City R and City U is 62 kilometers. What is the value of x ?

(1) By the most direct route, the distance between S and T is twice the distance between S and R.
(2) By the most direct route, the distance between T and U is 1.5 times the distance between Rand T.

Practice Questions
Question: 45
Page: 279
Difficulty: 600
[Reveal] Spoiler: OA

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Re: The table above shows the distance, in kilometers, by the [#permalink]

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20 Sep 2012, 00:44
1
KUDOS
X=?

(1) interpreting the chart plus the statement: 56 = 2 (y)
INSUFFICIENT bec we don't know anything about x and it's relationship to y.
(2) 69 = 1.5x, SUFFICIENT

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Re: The table above shows the distance, in kilometers, by the [#permalink]

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18 Sep 2012, 03:32
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SOLUTION

The table above shows the distance, in kilometers, by the most direct route, between any two of the four cities, R, S, T, and U. For example, the distance between City R and City U is 62 kilometers. What is the value of x ?

(1) By the most direct route, the distance between S and T is twice the distance between S and R. We can find the value of $$y$$, which will be $$ST=56=2y$$ --> $$y=28$$. But we have no information about $$x$$. Not sufficient.

(2) By the most direct route, the distance between T and U is 1.5 times the distance between R and T. $$TU=69=1.5x$$ --> $$x=46$$. Sufficient.

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Re: The table above shows the distance, in kilometers, by the [#permalink]

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18 Sep 2012, 07:04
Bunuel wrote:
Attachment:
Table.png
The table above shows the distance, in kilometers, by the most direct route, between any two of the four cities, R, S, T, and U. For example, the distance between City R and City U is 62 kilometers. What is the value of x ?

(1) By the most direct route, the distance between Sand T is twice the distance between Sand R.
(2) By the most direct route, the distance between T and U is 1.5 times the distance between Rand T.

1) from graph the distance between S and T gives the value of y, hence not sufficient
2) this gives value of x, hence sufficient.

Hence B
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Kudos [?]: 61 [0], given: 4

Math Expert
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Re: The table above shows the distance, in kilometers, by the [#permalink]

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21 Sep 2012, 04:19
SOLUTION

The table above shows the distance, in kilometers, by the most direct route, between any two of the four cities, R, S, T, and U. For example, the distance between City R and City U is 62 kilometers. What is the value of x ?

(1) By the most direct route, the distance between S and T is twice the distance between S and R. We can find the value of $$y$$, which will be $$ST=56=2y$$ --> $$y=28$$. But we have no information about $$x$$. Not sufficient.

(2) By the most direct route, the distance between T and U is 1.5 times the distance between R and T. $$TU=69=1.5x$$ --> $$x=46$$. Sufficient.

Kudos points given to everyone with correct solution. Let me know if I missed someone.
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Re: The table above shows the distance, in kilometers, by the [#permalink]

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01 Aug 2013, 14:09
The table above shows the distance, in kilometers, by the most direct route, between any two of the four cities, R, S, T, and U. For example, the distance between City R and City U is 62 kilometers. What is the value of x ?

R S T U
R 0 28 x 62

S 28 0 56 75

T x 56 0 69

U 62 75 69 0

(1) By the most direct route, the distance between S and T is twice the distance between S and R.
y = 28
This tells us nothing about x.
INSUFFICIENT

(2) By the most direct route, the distance between T and U is 1.5 times the distance between R and T.
tu distance = 69
tu = 1.5(rt)
69 = 1.5(rt)
46=rt
The distance between r and t on the graph = x, therefore, x=46.
SUFFICIENT

(B)

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Re: The table above shows the distance, in kilometers, by the [#permalink]

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02 Aug 2014, 15:16
for statement 1 - if you know that RS is 28 and ST is 56, why is it incorrect to assume that RT is 28+56?

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Re: The table above shows the distance, in kilometers, by the [#permalink]

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02 Aug 2014, 15:21
jaw4527 wrote:
for statement 1 - if you know that RS is 28 and ST is 56, why is it incorrect to assume that RT is 28+56?

It would be the distance through S, but there might be a shorter direct route.
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Re: The table above shows the distance, in kilometers, by the [#permalink]

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02 Aug 2014, 16:28
Bunuel wrote:
jaw4527 wrote:
for statement 1 - if you know that RS is 28 and ST is 56, why is it incorrect to assume that RT is 28+56?

It would be the distance through S, but there might be a shorter direct route.

gotcha that makes sense, thanks for the reply bunuel

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Re: The table above shows the distance, in kilometers, by the [#permalink]

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04 Nov 2015, 03:11
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Re: The table above shows the distance, in kilometers, by the [#permalink]

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06 Jan 2017, 12:33
Hello from the GMAT Club BumpBot!

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Re: The table above shows the distance, in kilometers, by the   [#permalink] 06 Jan 2017, 12:33
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