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There were 36,000 hardback copies of a certain novel sold [#permalink]
04 Mar 2008, 22:22

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Question Stats:

43% (01:16) correct
57% (01:02) wrong based on 8 sessions

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

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

This problem I solved yesterday so it's fresh in my mind. The correct answer is C. 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

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?

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.

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

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