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03 Jun 2009, 06:50
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Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
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Caroline bikes uphill to work and returns at a pace 30% faster. How long is her commute to and from work?
(1) She spends 10% of her workday commuting.
(2) She spends 40% of the entire day commuting and working.
Got this from another forum. Dont know if I agree with their reasoning of the 'OA'
(1) She spends 10% of her workday commuting.
(2) She spends 40% of the entire day commuting and working.
Got this from another forum. Dont know if I agree with their reasoning of the 'OA'
Archived Topic
Hi there,
This topic has been closed and archived due to inactivity or violation of community quality standards. No more replies are possible here.
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03 Jun 2009, 09:39
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Argh, this is a very poorly worded question.
The answer is E. IF we combine both facts, we can figure out how much time she spends commuting (40% of a day = 9.6 hours, and we're given a ratio of 9:1). But then we don't know anything about distance... she could bike @ 2km/h or drive a Countach @ 330km/h to work.
The answer is E. IF we combine both facts, we can figure out how much time she spends commuting (40% of a day = 9.6 hours, and we're given a ratio of 9:1). But then we don't know anything about distance... she could bike @ 2km/h or drive a Countach @ 330km/h to work.
03 Jun 2009, 11:36
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pmenon
r1=x and r2=1.3x is given..... d1 +d2=?
1) 10% of workday...we dont know how long work day is, we also dont have rate..insuff
2) 40% of day commuting and working so 9.6hrs...we dont know how many hrs she worked..insuff
together
.96 hrs commuting so t1+t2=.96 , d1+d2=?, r1=? r2=?
insuff
E
