If Carmen had 12 more tapes, she would have twice as many

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If Carmen had 12 more tapes, she would have twice as many [#permalink]

13 Sep 2003, 20:53

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If Carmen had 12 more tapes, she would have twice
as many tapes as Rafael. Does Carmen have fewer tapes than Rafael ?

(1) Rafael has more than 5 tapes.
(2) Carmen has fewer than 12 tapes.

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Re: DS - Carmen & Rafa [#permalink]

13 Sep 2003, 21:22

MartinMag wrote:

If Carmen had 12 more tapes, she would have twice
as many tapes as Rafael. Does Carmen have fewer tapes than Rafael ?

(1) Rafael has more than 5 tapes.
(2) Carmen has fewer than 12 tapes.

I would say B.

C = 2R -12

C can be only be positive..so R has to be more than 5...

And for every value between 5 and 12 , not inclusive.. C < R

thanks

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[#permalink]

14 Sep 2003, 08:33

MartinMag wrote:

What if C has 11 tapes ?

well, thats where the sanity check comes in

23/2 = 11.5 tapes in not possible..is it

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[#permalink]

14 Sep 2003, 21:41

B is the answer .. so I guess you're right

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Re: DS - Carmen & Rafa [#permalink]

18 Sep 2003, 08:30

praetorian123 wrote:

MartinMag wrote:

If Carmen had 12 more tapes, she would have twice
as many tapes as Rafael. Does Carmen have fewer tapes than Rafael ?

(1) Rafael has more than 5 tapes.
(2) Carmen has fewer than 12 tapes.

I would say B.

C = 2R -12

C can be only be positive..so R has to be more than 5...

And for every value between 5 and 12 , not inclusive.. C < R

thanks

Shouldn't the equation be:

C=(R/2)-12

and hence give an answer of D.

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[#permalink]

21 Sep 2003, 08:31

"If Carmen had 12 more Tapes" : C+12
"she would have": =
"twice as many tapes as Rafael" : 2*R

C+12=2R

C=2R-12

[#permalink] 21 Sep 2003, 08:31

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If Carmen had 12 more tapes, she would have twice as many

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If Carmen had 12 more tapes, she would have twice as many

If Carmen had 12 more tapes, she would have twice as many

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