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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?

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

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

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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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?

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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