Rates for having a manuscript typed at a certain typing : GMAT Problem Solving (PS)
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Rates for having a manuscript typed at a certain typing

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Rates for having a manuscript typed at a certain typing [#permalink]

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26 Apr 2008, 07:30
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Rates for having a manuscript typed at a certain typing service are $5 per page for the first time a page is typed and$3 per page each time a page is revised. If a certain manuscript has 100 pages, of which 40 were revised only once, 10 were revised twice, and the rest required no revisions, what was the total cost of having the manuscript typed?

A. $430 B.$620
C. $650 D.$680
E. $770 OPEN DISCUSSION OF THIS QUESTION IS HERE: rates-for-having-a-manuscript-typed-at-a-certain-typing-65312.html [Reveal] Spoiler: OA Intern Joined: 28 Mar 2008 Posts: 34 Followers: 0 Kudos [?]: 2 [0], given: 0 Re: PS - typing charge [#permalink] Show Tags 26 Apr 2008, 07:33 100*5 +40*3 +10*2*3 =680 Is D the answer Manager Joined: 24 Apr 2008 Posts: 56 Followers: 2 Kudos [?]: 93 [0], given: 0 Re: PS - typing charge [#permalink] Show Tags 26 Apr 2008, 07:38 D is the correct answer. I answer C with the following logic: The 10 page that was revised twice, was revised once earlier as part of the 40 pages that was revised the first time. Hence, (100*$5) + (40*$3) + (10*$3) = $650 Well, perhaps I think too much. Senior Manager Joined: 06 Aug 2007 Posts: 368 Followers: 1 Kudos [?]: 34 [1] , given: 0 Re: PS - typing charge [#permalink] Show Tags 26 Apr 2008, 09:37 1 This post received KUDOS 1 This post was BOOKMARKED quiet888 wrote: D is the correct answer. I answer C with the following logic: The 10 page that was revised twice, was revised once earlier as part of the 40 pages that was revised the first time. Hence, (100*$5) + (40*$3) + (10*$3) = $650 Well, perhaps I think too much. I think its D...because of the word "ONLY" - it says 40 pages were revised ONLY ONCE..... Director Joined: 29 Nov 2012 Posts: 898 Followers: 14 Kudos [?]: 1045 [0], given: 543 Re: Rates for having a manuscript typed at a certain typing [#permalink] Show Tags 24 Feb 2013, 20:09 So is the answer D or C? _________________ Click +1 Kudos if my post helped... Amazing Free video explanation for all Quant questions from OG 13 and much more http://www.gmatquantum.com/og13th/ GMAT Prep software What if scenarios http://gmatclub.com/forum/gmat-prep-software-analysis-and-what-if-scenarios-146146.html Math Expert Joined: 02 Sep 2009 Posts: 36590 Followers: 7092 Kudos [?]: 93362 [9] , given: 10557 Re: Rates for having a manuscript typed at a certain typing [#permalink] Show Tags 24 Feb 2013, 23:57 9 This post received KUDOS Expert's post 10 This post was BOOKMARKED fozzzy wrote: So is the answer D or C? Rates for having a manuscript typed at a certain typing service are$5 per page for the first time a page is typed and $3 per page each time a page is revised. If a certain manuscript has 100 pages, of which 40 were revised only once, 10 were revised twice, and the rest required no revisions, what was the total cost of having the manuscript typed? (A)$430
(B) $620 (C)$650
(D) $680 (E)$770

For 100-40-10=50 pages only cost is 5$per page for the first time page is typed - 50*5=250$;
For 40 pages the cost is: first time 5$+ 3$ of the first revision - 40*(5+3)=320$; For 10 pages the cost is: first time 5$ + 3$of the first revision + 3$ of the second revision - 10(5+3+3)=110$; Total: 250+320+110=680$.

OR:
100*5+40*3+10(3+3)=500+120+60=680.

Hope it's clear.

OPEN DISCUSSION OF THIS QUESTION IS HERE: rates-for-having-a-manuscript-typed-at-a-certain-typing-65312.htmL
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Re: Rates for having a manuscript typed at a certain typing   [#permalink] 24 Feb 2013, 23:57
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