At a souvenir shop, all posters are priced equally and all : GMAT Data Sufficiency (DS)
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# At a souvenir shop, all posters are priced equally and all

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At a souvenir shop, all posters are priced equally and all [#permalink]

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15 Oct 2013, 07:04
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15% (low)

Question Stats:

71% (01:30) correct 29% (00:23) wrong based on 323 sessions

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At a souvenir shop, all posters are priced equally and all maps are priced equally. What is the total price of 8 posters and 6 maps at the souvenir shop?

1) At the souvenir shop, the total price of 4 posters and 3 maps is $39.70 2) At the souvenir shop, the total price of 12 posters and 9 maps is$119.10
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Re: At a souvenir shop, all posters are priced equally and all [#permalink]

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15 Oct 2013, 07:08
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At a souvenir shop, all posters are priced equally and all maps are priced equally. What is the total price of 8 posters and 6 maps at the souvenir shop?

Questions: 8p + 6m = ?

(1) At the souvenir shop, the total price of 4 posters and 3 maps is $39.70 --> 4p + 3m = 39.70 --> multiply by 2: 8p + 6m = 2*39.70. Sufficient. (2) At the souvenir shop, the total price of 12 posters and 9 maps is$119.10 --> 12p + 9m = 119.10 --> multiply by 2/3: 8p + 6m = 2/3*39.70119.10 . Sufficient.

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Re: At a souvenir shop, all posters are priced equally and all [#permalink]

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04 Feb 2014, 18:08
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bulletpoint wrote:
At a souvenir shop, all posters are priced equally and all maps are priced equally. What is the total price of 8 posters and 6 maps at the souvenir shop?

1) At the souvenir shop, the total price of 4 posters and 3 maps is $39.70 2) At the souvenir shop, the total price of 12 posters and 9 maps is$119.10

This is such a classic GMAT question. It preys on our instinct to mark E by assuming that both conditions reduce to the same equation, not realizing that we don't really need the price of each poster or map.

Hindsight 20/20 though!
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Re: At a souvenir shop, all posters are priced equally and all [#permalink]

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04 Feb 2014, 23:58
MBAjunkie16 wrote:
bulletpoint wrote:
At a souvenir shop, all posters are priced equally and all maps are priced equally. What is the total price of 8 posters and 6 maps at the souvenir shop?

1) At the souvenir shop, the total price of 4 posters and 3 maps is $39.70 2) At the souvenir shop, the total price of 12 posters and 9 maps is$119.10

This is such a classic GMAT question. It preys on our instinct to mark E by assuming that both conditions reduce to the same equation, not realizing that we don't really need the price of each poster or map.

Hindsight 20/20 though!

I just marked answer C and didn't realize that I can reduce the equation in each line to match the one asked in the question. Argh.
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Re: At a souvenir shop, all posters are priced equally and all [#permalink]

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29 May 2015, 08:36
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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Re: At a souvenir shop, all posters are priced equally and all [#permalink]

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29 May 2015, 10:35
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Expert's post
Hi All,

Chances are quite high that you'll see a DS question that tests this EXACT concept on Test Day (you'll likely see it just once, but it's an easy 'pick up' if you recognize it). The broader concept that is tested here is your ability to spot a 'multiple' of a given piece of information and use that pattern to avoid doing heavy calculations. Take note of any question that seems to ask for a really specific combination of items. Here, the question asks for the price of 8 posters and 6 maps....but WHY 8 and 6??? Whoever wrote this question chose those two numbers for a specific reason....maybe it's because we're supposed to look for multiples....

GMAT assassins aren't born, they're made,
Rich
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# Special Offer: Save $75 + GMAT Club Tests 60-point improvement guarantee www.empowergmat.com/ ***********************Select EMPOWERgmat Courses now include ALL 6 Official GMAC CATs!*********************** GMAT Club Legend Joined: 09 Sep 2013 Posts: 13440 Followers: 575 Kudos [?]: 163 [0], given: 0 Re: At a souvenir shop, all posters are priced equally and all [#permalink] ### Show Tags 22 Jul 2016, 09:43 Hello from the GMAT Club BumpBot! Thanks to another GMAT Club member, I have just discovered this valuable topic, yet it had no discussion for over a year. I am now bumping it up - doing my job. I think you may find it valuable (esp those replies with Kudos). Want to see all other topics I dig out? Follow me (click follow button on profile). You will receive a summary of all topics I bump in your profile area as well as via email. _________________ Re: At a souvenir shop, all posters are priced equally and all [#permalink] 22 Jul 2016, 09:43 Similar topics Replies Last post Similar Topics: Are all sides of quadrilateral ABCD equal? 2 20 Nov 2016, 09:33 If all apples at a certain grocery store are equally priced, and all 3 31 Aug 2016, 04:39 3 A souvenir shop made$ 2,400 in revenue selling postcards. If a large 7 13 Dec 2015, 04:54
2 Are all of the terms in Set A equal? 5 22 Dec 2012, 07:45
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