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27 May 2006, 08:09
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79% (00:51) correct 21% (01:07) wrong based on 566 sessions

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The main ingredient in a certain prescription drug capsule cost $500 per kilogram. If each capsule contains 600 milligrams of ingredient, what is the cost of the ingredient in a capsule? (1 kilogram = 10^6 milligrams) A.$0.30
B. $0.83 C.$1.20
D. $3.00 E.$3.33
[Reveal] Spoiler: OA

Last edited by Bunuel on 04 Nov 2014, 03:11, edited 1 time in total.
Renamed the topic and edited the question.
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27 May 2006, 08:38
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kuristar wrote:
You are right...

How did you get that? for some reason, I got 0.83...

kilograms of substance in one capsule = 600/10^6

Cost of substance in one capsule = 500* (600/10^6)
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31 May 2006, 01:16
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Easy one.

1kg cost $500 10^6 mg cost$500
600mg cost 500*600/10^6 = 0.30
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Re: The main ingredient in a certain prescription drug capsule cost $500 [#permalink] ### Show Tags 21 Oct 2006, 09:59 The main ingredient in a certain prescription drug capsule costs$500.00 per kilogram. If each capsule contains 600 milligrams of this ingredient, what is the cost of the ingredient in a capsule? (1 kilogram = 10^6 milligrams)

$.30$.83
$1.20$3.00
$3.33 _________________ ...there ain't no such thing as a free lunch... Retired Moderator Joined: 05 Jul 2006 Posts: 1747 Re: The main ingredient in a certain prescription drug capsule cost$500 [#permalink]

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21 Oct 2006, 11:17
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The main ingredient in a certain prescription drug capsule costs $500.00 per kilogram. If each capsule contains 600 milligrams of this ingredient, what is the cost of the ingredient in a capsule? (1 kilogram = 10^6 milligrams)$.30 $.83$1.20 $3.00$3.33

what is the cost of 600 milligrams given cost of one killogram is 500

10^6 / 600 = 1/6 *10^4 = number of capsules in one killogram

500 / (1/6 *10^4) = 30 * 10^-2 = 3/10 = 0.3
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Re: The main ingredient in a certain prescription drug capsule cost $500 [#permalink] ### Show Tags 21 Oct 2006, 12:42 1 This post received KUDOS 1 This post was BOOKMARKED The main ingredient in a certain prescription drug capsule costs$500.00 per kilogram. If each capsule contains 600 milligrams of this ingredient, what is the cost of the ingredient in a capsule? (1 kilogram = 10^6 milligrams)

$.30$.83
$1.20$3.00
$3.33 10^6 / 10^3 = 1000mg 500/10^3 = 500/1000 = 0.5 can stop here, we know 1000mg = 0.5$
so must be A

or we can work the rest out 6/10 * 0.5 = $0.3 Senior Manager Joined: 11 May 2010 Posts: 289 Location: United Kingdom Concentration: Entrepreneurship, Technology GMAT Date: 10-22-2011 GPA: 3 WE: Information Technology (Internet and New Media) Re: The main ingredient in a certain prescription drug capsule cost$500 [#permalink]

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29 Aug 2011, 05:27
Find the cost per mg, and multiply that by 600mg…

1kg = 1*10^6 mg. Cost per kg = $500. Therefore cost per mg =$500/10^6 = $5/10^4 . Multiply this by 600 to get cost per 600mg = (5/10^4)*(6*10^2) = 30*10^-2 = 0.3 Non-Human User Joined: 09 Sep 2013 Posts: 13759 Re: The main ingredient in a certain prescription drug capsule cost$500 [#permalink]

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03 Nov 2014, 20:35
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Re: The main ingredient in a certain prescription drug capsule cost $500 [#permalink] ### Show Tags 04 Nov 2014, 03:13 Expert's post 1 This post was BOOKMARKED kuristar wrote: The main ingredient in a certain prescription drug capsule cost$500 per kilogram. If each capsule contains 600 milligrams of ingredient, what is the cost of the ingredient in a capsule? (1 kilogram = 10^6 milligrams)

A. $0.30 B.$0.83
C. $1.20 D.$3.00
E. $3.33 Check other Conversion problems to practice in Special Questions Directory. _________________ SVP Status: The Best Or Nothing Joined: 27 Dec 2012 Posts: 1839 Location: India Concentration: General Management, Technology WE: Information Technology (Computer Software) Re: The main ingredient in a certain prescription drug capsule cost$500 [#permalink]

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13 Nov 2014, 01:44
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$$Answer = \frac{500 * 600}{10^6} = \frac{3}{10} = 0.3$$

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Re: The main ingredient in a certain prescription drug capsule cost $500 [#permalink] ### Show Tags 14 Jan 2016, 03:43 1 This post was BOOKMARKED kuristar wrote: The main ingredient in a certain prescription drug capsule cost$500 per kilogram. If each capsule contains 600 milligrams of ingredient, what is the cost of the ingredient in a capsule? (1 kilogram = 10^6 milligrams)

A. $0.30 B.$0.83
C. $1.20 D.$3.00
E. $3.33 $$\frac{5*10^2}{10^6}*6*10^2=0,3$$ _________________ When you’re up, your friends know who you are. When you’re down, you know who your friends are. Share some Kudos, if my posts help you. Thank you ! 800Score ONLY QUANT CAT1 51, CAT2 50, CAT3 50 GMAT PREP 670 MGMAT CAT 630 KAPLAN CAT 660 Non-Human User Joined: 09 Sep 2013 Posts: 13759 Re: The main ingredient in a certain prescription drug capsule cost$500 [#permalink]

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25 Feb 2017, 16:07
Hello from the GMAT Club BumpBot!

Thanks to another GMAT Club member, I have just discovered this valuable topic, yet it had no discussion for over a year. I am now bumping it up - doing my job. I think you may find it valuable (esp those replies with Kudos).

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0.0005*600=0.3