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John has s pairs of shoes, which is 1/3 as many as Shiela and twice as

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Joined: 02 Sep 2009
Posts: 50619
John has s pairs of shoes, which is 1/3 as many as Shiela and twice as  [#permalink]

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03 Jan 2016, 11:42
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Difficulty:

5% (low)

Question Stats:

86% (01:13) correct 14% (02:19) wrong based on 110 sessions

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John has s pairs of shoes, which is 1/3 as many as Shiela and twice as many as James. In terms of s, how many pairs of shoes do the three of them have combined?

A. 7/3*s
B. 10/3*s
C. 7/2*s
D. 4s
E. 9/2*s

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Director
Joined: 20 Feb 2015
Posts: 796
Concentration: Strategy, General Management
Re: John has s pairs of shoes, which is 1/3 as many as Shiela and twice as  [#permalink]

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06 Jan 2016, 02:02
let james and shiela have j and e pairs of shoes
as per the question
s=e/3 --> e=3s
s=2j
total number of pairs =s+3s+(s/2)=9s/2
Senior Manager
Joined: 20 Aug 2015
Posts: 389
Location: India
GMAT 1: 760 Q50 V44
Re: John has s pairs of shoes, which is 1/3 as many as Shiela and twice as  [#permalink]

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07 Jan 2016, 01:08
Bunuel wrote:
John has s pairs of shoes, which is 1/3 as many as Shiela and twice as many as James. In terms of s, how many pairs of shoes do the three of them have combined?

A. 7/3*s
B. 10/3*s
C. 7/2*s
D. 4s
E. 9/2*s

Shoes with John = s
Shoes with Shiela = 3s
Shoels with James = s/2

Total shoes = s + 3s + s/2 = 9s/2
Option E
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Joined: 17 Jul 2014
Posts: 2645
Location: United States (IL)
Concentration: Finance, Economics
GMAT 1: 650 Q49 V30
GPA: 3.92
WE: General Management (Transportation)
Re: John has s pairs of shoes, which is 1/3 as many as Shiela and twice as  [#permalink]

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07 Sep 2016, 07:27
Bunuel wrote:
John has s pairs of shoes, which is 1/3 as many as Shiela and twice as many as James. In terms of s, how many pairs of shoes do the three of them have combined?

A. 7/3*s
B. 10/3*s
C. 7/2*s
D. 4s
E. 9/2*s

oh, the wording is kind of confusing...s for john, then we have Sheila, which forces us to use different letter and confuse us a little bit...
so...John has S
sheila has 3 times as many as john, thus 3S
James has half of what has John..so 0.5S
total: 3+1+0.5S or 4.5S
this is equal to 9/2 S

E
Veritas Prep GMAT Instructor
Joined: 16 Oct 2010
Posts: 8537
Location: Pune, India
Re: John has s pairs of shoes, which is 1/3 as many as Shiela and twice as  [#permalink]

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07 Sep 2016, 07:33
mvictor wrote:
Bunuel wrote:
John has s pairs of shoes, which is 1/3 as many as Shiela and twice as many as James. In terms of s, how many pairs of shoes do the three of them have combined?

A. 7/3*s
B. 10/3*s
C. 7/2*s
D. 4s
E. 9/2*s

oh, the wording is kind of confusing...s for john, then we have Sheila, which forces us to use different letter and confuse us a little bit...
so...John has S
sheila has 3 times as many as john, thus 3S
James has half of what has John..so 0.5S
total: 3+1+0.5S or 4.5S
this is equal to 9/2 S

E

A tip: If you feel that you *need* to use more than one variable to solve a question, read the question till the end before starting with equations. Usually, you will get enough data to stick to a single variable.
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Intern
Joined: 08 Jul 2011
Posts: 12
Re: John has s pairs of shoes, which is 1/3 as many as Shiela and twice as  [#permalink]

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07 Sep 2016, 22:10
John has s pairs of shoes, which is 1/3 as many as Shiela and twice as many as James. In terms of s, how many pairs of shoes do the three of them have combined?

A. 7/3*s
B. 10/3*s
C. 7/2*s
D. 4s
E. 9/2*s

== s +3s + s/2 ==> 4s + 1/2 s = 9/2*s

Ans .E
Current Student
Joined: 08 Jun 2013
Posts: 33
Re: John has s pairs of shoes, which is 1/3 as many as Shiela and twice as  [#permalink]

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08 Sep 2016, 00:17
john = s
shiela = 1/3(shiela) = s => 3s
james = 2(james) =s => (1/2)s
total = s+3s+(1/2)s = (9/2)s

E
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Joined: 09 Sep 2013
Posts: 8792
Re: John has s pairs of shoes, which is 1/3 as many as Shiela and twice as  [#permalink]

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23 Dec 2017, 02:46
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Re: John has s pairs of shoes, which is 1/3 as many as Shiela and twice as &nbs [#permalink] 23 Dec 2017, 02:46
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