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library fine

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poonamchiK
 Post subject: library fine
 Post Posted: Wed Sep 29, 2010 1:12 am 
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Students


Posts: 102
In a certain library, the fine is being assessed.
the 1st day is .10c the second day onwards the fine is either doubled or .30c is added, whichever is lesser. what is the total fine assessment on the 4th day?
.60
.70
.80
.90
1.00

my answer was .90
bt the correct ans is .70

pls help. thx
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gokul_nair1984
 Post subject: Re: library fine
 Post Posted: Wed Sep 29, 2010 3:44 am 
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Students


Posts: 170
poonamchiK wrote:
In a certain library, the fine is being assessed.
the 1st day is .10c the second day onwards the fine is either doubled or .30c is added, whichever is lesser. what is the total fine assessment on the 4th day?
.60
.70
.80
.90
1.00


Day 1: .1
Day 2: .2(Double) or .4(Because of .3+.1). Choose .2 for being lower
Day 3: .4 or .5. Choose .4 for being lower.
Day 4: .8(Double) or .7(Because of.4+.3). Choose the lower one .7. Hope it is clear!
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poonamchiK
 Post subject: Re: library fine
 Post Posted: Wed Sep 29, 2010 4:04 am 
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Students


Posts: 102
Oh no. i thought it is the total of everything...
:-(
why didnt i think like u?

P
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tim
 Post subject: Re: library fine
 Post Posted: Fri Oct 08, 2010 1:40 am 
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ManhattanGMAT Staff


Posts: 2242
Location: Southwest Airlines, seat 21C
:)

_________________
Tim Sanders
Manhattan GMAT Instructor
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sdola
 Post subject: Re: library fine
 Post Posted: Tue Dec 21, 2010 7:12 pm 
Offline
Course Students


Posts: 2
realized we need not add the previous days fine after posting the response so editing it :)
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ChrisB
 Post subject: Re: library fine
 Post Posted: Thu Dec 23, 2010 5:16 pm 
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ManhattanGMAT Staff


Posts: 91
Hi,

What was your source for this problem? Can you post the original text because it's pretty clear that the text you've provided is hard to follow.

Thanks,

Chris

_________________
Chris Brusznicki
MGMAT Instructor
Chicago, IL
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