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# There were 36,000 hardback copies of a certain novel sold

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Manager
Joined: 31 Oct 2007
Posts: 113
Location: Frankfurt, Germany
There were 36,000 hardback copies of a certain novel sold [#permalink]

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04 Mar 2008, 23:22
2
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65% (hard)

Question Stats:

61% (02:48) correct 39% (02:18) wrong based on 78 sessions

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There were 36,000 hardback copies of a certain novel sold before the paperback version was issued. From the time the first paperback copy was sold until the last copy of the novel was sold. 9 times as many paperback copies as hardback copies were sold. If a total of 441,000 copies of the novel were sold in all, how many paperback copies were sold?

(A) 45,000
(B) 360,000
(C) 364,500
(D) 392,000
(E) 396,900

OPEN DISCUSSION OF THIS QUESTION IS HERE: there-were-36-000-hardback-copies-of-a-certain-novel-sold-129975.html
[Reveal] Spoiler: OA

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Re: There were 36,000 hardback copies of a certain novel sold [#permalink]

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04 Mar 2008, 23:51
1
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jimmylow wrote:
16. There were 36,000 hardback copies of a certain novel sold before the paperback version was issued. From the time the first paperback copy was sold until the last copy of the novel was sold. 9 times as many paperback copies as hardback copies were sold. If a total of 441,000 copies of the novel were sold in all, how many paperback copies were sold?
(A) 45,000
(B) 360,000
(C) 364,500
(D) 392,000
(E) 396,900

Pls help!

p = 9h
p + h = 441,000
h + 9h = 441,000
10 h = 441,000
h = 44,100

p = t - h
p = 441,000 - 44,100
p = 396,900

E.
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Re: There were 36,000 hardback copies of a certain novel sold [#permalink]

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05 Mar 2008, 01:19
1
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GMAT TIGER wrote:
9 times as many paperback copies as hardback copies were sold

Friends, The discription above means that 9p =h or 9h=p? I meet some discription when I solve problem. Can you confirm that?

Thanks
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Posts: 143
Re: There were 36,000 hardback copies of a certain novel sold [#permalink]

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06 Mar 2008, 10:18
1
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This problem I solved yesterday so it's fresh in my mind.
The problem says that 36000 hardback copies were sold before paperback was issued.
Total copies sold = 441000
Total copies sold after the paperback was issued = 441000-36000=405000
p=9h
p+h = 405000
from here P= 364500
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Joined: 01 Feb 2010
Posts: 264
Re: There were 36,000 hardback copies of a certain novel sold [#permalink]

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20 Feb 2010, 08:44
jimmylow wrote:
16. There were 36,000 hardback copies of a certain novel sold before the paperback version was issued. From the time the first paperback copy was sold until the last copy of the novel was sold. 9 times as many paperback copies as hardback copies were sold. If a total of 441,000 copies of the novel were sold in all, how many paperback copies were sold?
(A) 45,000
(B) 360,000
(C) 364,500
(D) 392,000
(E) 396,900

Pls help!

441000 = 36000 + 9x + x
x= 40500

Paperback Copies = 9x = 364500 hence C.
Whats the OA?
Intern
Joined: 03 Dec 2010
Posts: 44
Re: There were 36,000 hardback copies of a certain novel sold [#permalink]

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01 Mar 2011, 12:50
The question says a total of 441,000 copies of the novel were sold. I am assuming it includes both the initial 36,000 hardback and the paperback, which were later published. So why are we subtracting 36,000 from it? By subtracting 36,000, the equation X + Y = 441,000 would be invalid, (where X stands for the number of hardback sold and Y stands for the number of paperbacks sold), since X and Y are representing the total number of copies of each kind sold.

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Joined: 20 Dec 2010
Posts: 2010
Re: There were 36,000 hardback copies of a certain novel sold [#permalink]

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01 Mar 2011, 13:07
2
KUDOS
Hardback copies sold before paperback version = 36000

Let hardback copies sold AFTER the paperback version, be x (because hardback copies were sold even after the paperback version)
Paperback sold, of course after the paperback version, = 9x

Total copies sold = 36000(hardback before paperback version) + x(hardback AFTER paperback version) + 9x(Paperback) = 441000

36000 + 10x = 441000
10x = 405000
x = 40500

Paperback copies = 9x = 40500 * 9 = 364500

Ans: "C"

Sorry; don't know the OA.
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Re: There were 36,000 hardback copies of a certain novel sold [#permalink]

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14 Jun 2011, 23:27
p=9h is the key here.
p+h = 441,000

10h = 441,000
h=44100

p= 441,000-44100 = 364,500
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Re: There were 36,000 hardback copies of a certain novel sold [#permalink]

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08 Nov 2015, 19:18
the Period (.) after "novel was sold" is what confuses things here. The sentence should be connected in order to connect the two statements so it is clear to the reader.
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Joined: 02 Sep 2009
Posts: 39589
Re: There were 36,000 hardback copies of a certain novel sold [#permalink]

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08 Nov 2015, 23:09
jimmylow wrote:
There were 36,000 hardback copies of a certain novel sold before the paperback version was issued. From the time the first paperback copy was sold until the last copy of the novel was sold. 9 times as many paperback copies as hardback copies were sold. If a total of 441,000 copies of the novel were sold in all, how many paperback copies were sold?

(A) 45,000
(B) 360,000
(C) 364,500
(D) 392,000
(E) 396,900

Say x was the # of hardback copies sold from the time the first paperback copy was sold.

Then the total # of paperback copies sold was 9x;
Hence the total # of copies sold was (hardback)+(paperback)=(36+x)+(9x)=441 --> x=40.5.

So, the total # of paperback copies sold was 9x=9*40.5=364.5 or 364,500.

OPEN DISCUSSION OF THIS QUESTION IS HERE: there-were-36-000-hardback-copies-of-a-certain-novel-sold-129975.html
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Re: There were 36,000 hardback copies of a certain novel sold   [#permalink] 08 Nov 2015, 23:09
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