Connie paid a sales tax of 8 percent on her purchase. If the sales tax : GMAT Problem Solving (PS)
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# Connie paid a sales tax of 8 percent on her purchase. If the sales tax

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Manager
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Connie paid a sales tax of 8 percent on her purchase. If the sales tax [#permalink]

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09 May 2008, 17:58
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Difficulty:

55% (hard)

Question Stats:

55% (02:11) correct 45% (01:06) wrong based on 247 sessions

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Connie paid a sales tax of 8 percent on her purchase. If the sales tax had been only 5 percent, she would have paid $12 less in sales tax on her purchase. What was the total amount that Connie paid for her purchase including sales tax? A.$368
B. $380 C.$400
D. $420 E.$432
[Reveal] Spoiler: OA

Last edited by Bunuel on 16 Aug 2015, 09:15, edited 1 time in total.
Renamed the topic, edited the question, added the OA and moved to PS forum.
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Re: Connie paid a sales tax of 8 percent on her purchase. If the sales tax [#permalink]

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09 May 2008, 18:00
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E

3% = $12 1% =$4

100% = $400 8% =$32

400 + 32 = 432
Manager
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Re: Connie paid a sales tax of 8 percent on her purchase. If the sales tax [#permalink]

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09 May 2008, 18:03
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P*1.08=T1
P*1.05=T2=T1-12

combine eqns
p(.03)=12
12/.03=400

400*1.08=432
E
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Re: Connie paid a sales tax of 8 percent on her purchase. If the sales tax [#permalink]

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09 May 2008, 20:11
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gmatnub wrote:
E

3% = $12 1% =$4

100% = $400 8% =$32

400 + 32 = 432

I like this approach
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Re: Connie paid a sales tax of 8 percent on her purchase. If the sales tax [#permalink]

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09 May 2008, 20:21
jimmylow wrote:
gmatnub wrote:
E

3% = $12 1% =$4

100% = $400 8% =$32

400 + 32 = 432

I like this approach

Me too, but seem risky for me!I am not an expert, usually confused and make a silly mistake!
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Re: Connie paid a sales tax of 8 percent on her purchase. If the sales tax [#permalink]

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04 Dec 2011, 10:43
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RyanDe680 wrote:
Connie paid a sales tax of 8 percent on her purchase. If the sales tax had been only 5 percent, she would have paid $12 less in sales tax on her purchase. What was the total amount that Connie paid for her purchase including sales tax? A)$368

B) $380 C)$400

D) $420 E)$432

OA to follow.

Connie paid x dollar before sales tax
so,
1.08x - 1.05x = 12
0.03x = 12
x = 400
sales tax 400*8% = 32
Connie paid = 400+32= $432 Ans. E _________________ Collections:- PSof OG solved by GC members: http://gmatclub.com/forum/collection-ps-with-solution-from-gmatclub-110005.html DS of OG solved by GC members: http://gmatclub.com/forum/collection-ds-with-solution-from-gmatclub-110004.html 100 GMAT PREP Quantitative collection http://gmatclub.com/forum/gmat-prep-problem-collections-114358.html Collections of work/rate problems with solutions http://gmatclub.com/forum/collections-of-work-rate-problem-with-solutions-118919.html Mixture problems in a file with best solutions: http://gmatclub.com/forum/mixture-problems-with-best-and-easy-solutions-all-together-124644.html Last edited by Baten80 on 11 Dec 2011, 10:43, edited 1 time in total. Senior Manager Joined: 23 Mar 2011 Posts: 473 Location: India GPA: 2.5 WE: Operations (Hospitality and Tourism) Followers: 19 Kudos [?]: 214 [0], given: 59 Re: Connie paid a sales tax of 8 percent on her purchase. If the sales tax [#permalink] ### Show Tags 05 Dec 2011, 08:04 Hi Baten, I did your way. But I only subtracted and not added. the shortcut shown is great. But I am not sure if % can be worked that ways always. _________________ "When the going gets tough, the tough gets going!" Bring ON SOME KUDOS MATES+++ ----------------------------- Quant Notes consolidated: http://gmatclub.com/forum/consolodited-quant-guides-of-forum-most-helpful-in-preps-151067.html#p1217652 My GMAT journey begins: http://gmatclub.com/forum/my-gmat-journey-begins-122251.html All about Richard Ivey: http://gmatclub.com/forum/all-about-richard-ivey-148594.html#p1190518 GMAT Club Legend Joined: 09 Sep 2013 Posts: 13444 Followers: 575 Kudos [?]: 163 [0], given: 0 Re: Connie paid a sales tax of 8 percent on her purchase. If the sales tax [#permalink] ### Show Tags 11 Aug 2015, 22:09 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). Want to see all other topics I dig out? Follow me (click follow button on profile). You will receive a summary of all topics I bump in your profile area as well as via email. _________________ GMAT Club Legend Joined: 09 Sep 2013 Posts: 13444 Followers: 575 Kudos [?]: 163 [0], given: 0 Re: Connie paid a sales tax of 8 percent on her purchase. If the sales tax [#permalink] ### Show Tags 08 Sep 2016, 07:09 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). Want to see all other topics I dig out? Follow me (click follow button on profile). You will receive a summary of all topics I bump in your profile area as well as via email. _________________ Senior Manager Status: Exam scheduled!! Joined: 05 Sep 2016 Posts: 411 Location: United States (WI) Concentration: Marketing, Technology WE: Other (Law) Followers: 3 Kudos [?]: 13 [0], given: 241 Re: Connie paid a sales tax of 8 percent on her purchase. If the sales tax [#permalink] ### Show Tags 06 Dec 2016, 20:04 0.08P=C 0.05P=C-12 0.05P=0.08P-12 12=0.03P P=400 0.05x400=32 400+32=432 E. Re: Connie paid a sales tax of 8 percent on her purchase. If the sales tax [#permalink] 06 Dec 2016, 20:04 Similar topics Replies Last post Similar Topics: 1 If$0.2 is commission for sales of $1,000, what percent of sales amoun 4 16 Oct 2016, 23:43 5 In Township K each property is taxed at 8 percent of its assessed 4 20 Nov 2015, 00:05 1 A corporation paid$7 million in federal taxes on its first 4 12 Mar 2013, 16:47
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