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On a certain day it took Bill three times as long to drive

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Manager
Joined: 01 Oct 2006
Posts: 242
Followers: 1

Kudos [?]: 5 [0], given: 0

On a certain day it took Bill three times as long to drive [#permalink]  14 Oct 2006, 08:28
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On a certain day it took Bill three times as long to drive from home to work as it took Sue to drive from home to work. How many kilometers did Bill drive from home to work?
(1) Sue drove 10 kilometers from home to work, and the ratio of distance driven from home to work time to drive from home to work was the same for Bill and Sue that day.
(2) The ratio of distance driven from home to work time to drive from home to work for Sue that day was 64 kilometers per hour.

I don't even understand what ratio they are calculating.
Senior Manager
Joined: 30 Aug 2006
Posts: 374
Followers: 3

Kudos [?]: 20 [0], given: 0

let x = dist driven from home to work time
y = drive from home to work

i) Sue drove 10k, Bill y/x = Sue y/x

ii) Sue y/x = 64

Sue 10/x = 64 , x = 10/64

Bill = 3x ( 3 times as long ) 30/64

Don't think this is right but about as close as I could come to comprehending it

VP
Joined: 25 Jun 2006
Posts: 1175
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Kudos [?]: 72 [0], given: 0

good qn. but u will never see this kind of dubious questions in GMAT.

send it to SC to correct the grammar first.
Manager
Joined: 01 Oct 2006
Posts: 242
Followers: 1

Kudos [?]: 5 [0], given: 0

Re: DS: Distance driven [#permalink]  15 Oct 2006, 10:10
Thanks guys for taking a shot at this. At least I feel a little better that I was not the only one who found the phrasing of the question incomprehensible.
The OA is A.

I think, the statement should be rephrased as: the ratio of distance driven from home to work to time to drive from home to work. (Though it is still confusing with so many to)

Interesting thing is that the question is from GMATplus and I did a search on GMATclub and no one has posted it here before.
Re: DS: Distance driven   [#permalink] 15 Oct 2006, 10:10
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