Paula and Sandy were among those people who sold raffle : GMAT Data Sufficiency (DS)
Check GMAT Club App Tracker for the Latest School Decision Releases http://gmatclub.com/AppTrack

 It is currently 05 Dec 2016, 06:01

GMAT Club Daily Prep

Thank you for using the timer - this advanced tool can estimate your performance and suggest more practice questions. We have subscribed you to Daily Prep Questions via email.

Customized
for You

we will pick new questions that match your level based on your Timer History

Track

every week, we’ll send you an estimated GMAT score based on your performance

Practice
Pays

we will pick new questions that match your level based on your Timer History

Events & Promotions

Events & Promotions in June
Open Detailed Calendar

Paula and Sandy were among those people who sold raffle

Author Message
TAGS:

Hide Tags

Manager
Joined: 02 Dec 2012
Posts: 178
Followers: 5

Kudos [?]: 2203 [1] , given: 0

Paula and Sandy were among those people who sold raffle [#permalink]

Show Tags

06 Dec 2012, 06:06
1
KUDOS
9
This post was
BOOKMARKED
00:00

Difficulty:

35% (medium)

Question Stats:

65% (01:56) correct 35% (00:58) wrong based on 653 sessions

HideShow timer Statistics

Paula and Sandy were among those people who sold raffle tickets to raise money for Club X. If Paula and Sandy sold a total of 100 of the tickets, how many of
the tickets did Paula sell?

(1) Sandy sold 2/3 as many of the raffle tickets as Paula did.
(2) Sandy sold 8 percent of all the raffle tickets sold for Club X.
[Reveal] Spoiler: OA
Math Expert
Joined: 02 Sep 2009
Posts: 35867
Followers: 6838

Kudos [?]: 89924 [2] , given: 10382

Re: Paula and Sandy were among those people who sold raffle [#permalink]

Show Tags

06 Dec 2012, 06:10
2
KUDOS
Expert's post
Paula and Sandy were among those people who sold raffle tickets to raise money for Club X. If Paula and Sandy sold a total of 100 of the tickets, how many of the tickets did Paula sell?

Given that $$p+s=100$$, where $$p$$ and $$s$$ are the number of tickets sold by Paula and Sandy, respectively.

(1) Sandy sold 2/3 as many of the raffle tickets as Paula did --> $$s=\frac{2}{3}p$$. We have two distinct linear equations with two unknowns ($$p+s=100$$ and $$s=\frac{2}{3}p$$), thus we can solve for both of them. Sufficient.

(2) Sandy sold 8 percent of all the raffle tickets sold for Club X --> we don't know the total number of the raffle tickets sold, thus we cannot find $$s$$, which means that we cannot find $$p$$. Not sufficient.

_________________
Senior Manager
Joined: 28 Apr 2014
Posts: 291
Followers: 1

Kudos [?]: 34 [0], given: 46

Re: Paula and Sandy were among those people who sold raffle [#permalink]

Show Tags

17 May 2014, 07:33
1
This post was
BOOKMARKED
Bunuel wrote:
Paula and Sandy were among those people who sold raffle tickets to raise money for Club X. If Paula and Sandy sold a total of 100 of the tickets, how many of the tickets did Paula sell?

Given that $$p+s=100$$, where $$p$$ and $$s$$ are the number of tickets sold by Paula and Sandy, respectively.

(1) Sandy sold 2/3 as many of the raffle tickets as Paula did --> $$s=\frac{2}{3}p$$. We have two distinct linear equations with two unknowns ($$p+s=100$$ and $$s=\frac{2}{3}p$$), thus we can solve for both of them. Sufficient.

(2) Sandy sold 8 percent of all the raffle tickets sold for Club X --> we don't know the total number of the raffle tickets sold, thus we cannot find $$s$$, which means that we cannot find $$p$$. Not sufficient.

I believe the key premise for statement 2 is that there could be others as well who sold tickets for Club X. Right ?
Math Expert
Joined: 02 Sep 2009
Posts: 35867
Followers: 6838

Kudos [?]: 89924 [0], given: 10382

Re: Paula and Sandy were among those people who sold raffle [#permalink]

Show Tags

17 May 2014, 07:45
himanshujovi wrote:
Bunuel wrote:
Paula and Sandy were among those people who sold raffle tickets to raise money for Club X. If Paula and Sandy sold a total of 100 of the tickets, how many of the tickets did Paula sell?

Given that $$p+s=100$$, where $$p$$ and $$s$$ are the number of tickets sold by Paula and Sandy, respectively.

(1) Sandy sold 2/3 as many of the raffle tickets as Paula did --> $$s=\frac{2}{3}p$$. We have two distinct linear equations with two unknowns ($$p+s=100$$ and $$s=\frac{2}{3}p$$), thus we can solve for both of them. Sufficient.

(2) Sandy sold 8 percent of all the raffle tickets sold for Club X --> we don't know the total number of the raffle tickets sold, thus we cannot find $$s$$, which means that we cannot find $$p$$. Not sufficient.

I believe the key premise for statement 2 is that there could be others as well who sold tickets for Club X. Right ?

Yes, we are directly told that there in fact ARE some other people selling tickets: "Paula and Sandy were among those people who sold tickets".
_________________
GMAT Club Legend
Joined: 09 Sep 2013
Posts: 12873
Followers: 559

Kudos [?]: 157 [0], given: 0

Re: Paula and Sandy were among those people who sold raffle [#permalink]

Show Tags

19 Aug 2015, 20:03
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: Paula and Sandy were among those people who sold raffle   [#permalink] 19 Aug 2015, 20:03
Similar topics Replies Last post
Similar
Topics:
1 Of the people who attended a workshop, 60 percent were teachers .... 3 13 Jan 2016, 03:08
4 An estate of \$216,000 is divided equally among p people who must each 6 09 Feb 2015, 05:31
5 145 people were surveyed to find 1 04 Dec 2014, 01:03
How many newspapers were sold at a certain newsstand today? 5 09 Jan 2014, 05:49
Of the people who attended a company meeting, 60% were 3 01 Feb 2012, 22:09
Display posts from previous: Sort by