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# There were 36.000 hardback copies of a certain novel sold

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SVP
Joined: 16 Oct 2003
Posts: 1801
There were 36.000 hardback copies of a certain novel sold [#permalink]

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09 Dec 2003, 16:25
This topic is locked. If you want to discuss this question please re-post it in the respective forum.

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
Manager
Joined: 12 Oct 2003
Posts: 247
Location: USA

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09 Dec 2003, 18:19
Ans = 364500, C

x --> # of hardback copies sold after paperback copies started to be issued
9x --> paperback copies sold

(So, 36000 + x) + (x) = 441000

So, 9x = 364500
SVP
Joined: 30 Oct 2003
Posts: 1790
Location: NewJersey USA

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13 Jan 2004, 11:43
i think the answer is E

Let us say H is no of hardcover copies sold after first 36,000 copies
The stem says no of paper back copies sold = 9*(H+36,000)

H + 36000 + 9*(H+36000) = 441000
H = 8100

H+36000 = 44100
so P = 44100 * 9 = 396,900
Senior Manager
Joined: 22 May 2003
Posts: 329
Location: Uruguay

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13 Jan 2004, 18:43
I agree with anandnk. I also got 396900 with a similar reasoning.
Senior Manager
Joined: 11 Nov 2003
Posts: 356
Location: Illinois

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03 Feb 2004, 17:08
Bhai,

What is the official answer to this?

Anand,

You applied the following reasoning:

Quote:
Let us say H is no of hardcover copies sold after first 36,000 copies
The stem says no of paper back copies sold = 9*(H+36,000)

The question stem says the following:

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.

Looking at the bold portion in the question, I think the equation would be

36000 + H + 9H = 441000

Had the question said that the number of paperback copies were 9 times the TOTAL number of hard cover copies sold, your reasoning would be fine.

What do you think?
SVP
Joined: 30 Oct 2003
Posts: 1790
Location: NewJersey USA

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03 Feb 2004, 18:37
probably you are right. I dont know why people dont post answers.
03 Feb 2004, 18:37
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