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# What was the amount of money donated to a certain charity?

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What was the amount of money donated to a certain charity? [#permalink]  03 Jan 2014, 05:13
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80% (01:31) correct 20% (00:33) wrong based on 336 sessions
The Official Guide For GMAT® Quantitative Review, 2ND Edition

What was the amount of money donated to a certain charity?

(1) Of the amount donated, 40 percent came from corporate donations.
(2) Of the amount donated, $1.5 million came from noncorporate donations. Data Sufficiency Question: 17 Category: Arithmetic Percents Page: 154 Difficulty: 600 GMAT Club is introducing a new project: The Official Guide For GMAT® Quantitative Review, 2ND Edition - Quantitative Questions Project Each week we'll be posting several questions from The Official Guide For GMAT® Quantitative Review, 2ND Edition and then after couple of days we'll provide Official Answer (OA) to them along with a slution. We'll be glad if you participate in development of this project: 1. Please provide your solutions to the questions; 2. Please vote for the best solutions by pressing Kudos button; 3. Please vote for the questions themselves by pressing Kudos button; 4. Please share your views on difficulty level of the questions, so that we have most precise evaluation. Thank you! [Reveal] Spoiler: OA _________________  Kaplan GMAT Prep Discount Codes Knewton GMAT Discount Codes Veritas Prep GMAT Discount Codes Math Expert Joined: 02 Sep 2009 Posts: 31297 Followers: 5359 Kudos [?]: 62445 [0], given: 9455 Re: What was the amount of money donated to a certain charity? [#permalink] 03 Jan 2014, 05:14 Expert's post SOLUTION What was the amount of money donated to a certain charity? (1) Of the amount donated, 40 percent came from corporate donations. This implies that of the amount donated, 60 percent came from noncorporate donations. Not sufficient. (2) Of the amount donated,$1.5 million came from noncorporate donations. Not sufficient.

(1)+(2) 0.6*{total} = $1.5 million. We can solve for {total}. Sufficient. Answer: C. _________________ Manager Joined: 27 May 2012 Posts: 213 Followers: 0 Kudos [?]: 57 [1] , given: 428 Re: What was the amount of money donated to a certain charity? [#permalink] 04 Jan 2014, 00:53 1 This post received KUDOS Bunuel wrote: The Official Guide For GMAT® Quantitative Review, 2ND Edition What was the amount of money donated to a certain charity? (1) Of the amount donated, 40 percent came from corporate donations. (2) Of the amount donated,$1.5 million came from noncorporate donations.

1) we don't know what 40% is equal to hence we cannot deduce the total amount
2)we don't how much came from non corporate donations hence also insuff.

1+2
we know 40% from corporate donations hence 60% from non corporate donations
60% = $1.5 Million hence we can find 100% 1+2 Sufficient Answer C _________________ - Stne Current Student Joined: 03 Feb 2013 Posts: 898 Location: India Concentration: Operations, Strategy GMAT 1: 760 Q49 V44 GPA: 3.88 WE: Engineering (Computer Software) Followers: 87 Kudos [?]: 576 [1] , given: 543 Re: What was the amount of money donated to a certain charity? [#permalink] 05 Jan 2014, 10:38 1 This post received KUDOS Bunuel wrote: The Official Guide For GMAT® Quantitative Review, 2ND Edition What was the amount of money donated to a certain charity? (1) Of the amount donated, 40 percent came from corporate donations. (2) Of the amount donated,$1.5 million came from noncorporate donations.

Statement 1) No actual value of money mentioned but the question asks about amount of money. Not Sufficient.
Statement 2) Though the value of money is specified, but the relationship of "noncorporate donations" with the "money donated" is not specified. So Not Sufficient.

Combining the two statements, we know $1.5 million corresponds to 60% (assuming "corporate donations" and "noncorporate donations" are mutually exclusive - Kind of open to interpretation), total money can be calculated. Hence option C) _________________ Thanks, Kinjal Struggling with GMAT ? Experience http://www.gmatify.com/ My Application Experience : http://gmatclub.com/forum/hardwork-never-gets-unrewarded-for-ever-189267-40.html#p1516961 My Linkedin Handle: https://www.linkedin.com/profile/view?id=AAIAAAbtjagB9G1MrEzTRYDRGroXuSmZO0ZhoK0 Please click on Kudos, if you think the post is helpful Math Expert Joined: 02 Sep 2009 Posts: 31297 Followers: 5359 Kudos [?]: 62445 [0], given: 9455 Re: What was the amount of money donated to a certain charity? [#permalink] 05 Jan 2014, 11:06 Expert's post SOLUTION What was the amount of money donated to a certain charity? (1) Of the amount donated, 40 percent came from corporate donations. This implies that of the amount donated, 60 percent came from noncorporate donations. Not sufficient. (2) Of the amount donated,$1.5 million came from noncorporate donations. Not sufficient.

(1)+(2) 0.6*{total} = $1.5 million. We can solve for {total}. Sufficient. Answer: C. _________________ Intern Joined: 12 May 2013 Posts: 1 Followers: 0 Kudos [?]: 0 [0], given: 41 Re: What was the amount of money donated to a certain charity? [#permalink] 21 Sep 2014, 03:17 Bunuel wrote: SOLUTION What was the amount of money donated to a certain charity? (1) Of the amount donated, 40 percent came from corporate donations. This implies that of the amount donated, 60 percent came from noncorporate donations. Not sufficient. (2) Of the amount donated,$1.5 million came from noncorporate donations. Not sufficient.

(1)+(2) 0.6*{total} = $1.5 million. We can solve for {total}. Sufficient. Answer: C. Helpl me with one kind of confusion. It is not explicitly given that the total money donated to charity comprises of only corporate and non corporate donation.Then how can we assume that both sum up to total money. Math Expert Joined: 02 Sep 2009 Posts: 31297 Followers: 5359 Kudos [?]: 62445 [2] , given: 9455 Re: What was the amount of money donated to a certain charity? [#permalink] 21 Sep 2014, 10:31 2 This post received KUDOS Expert's post srinivaskt wrote: Bunuel wrote: SOLUTION What was the amount of money donated to a certain charity? (1) Of the amount donated, 40 percent came from corporate donations. This implies that of the amount donated, 60 percent came from noncorporate donations. Not sufficient. (2) Of the amount donated,$1.5 million came from noncorporate donations. Not sufficient.

(1)+(2) 0.6*{total} = \$1.5 million. We can solve for {total}. Sufficient.

Helpl me with one kind of confusion. It is not explicitly given that the total money donated to charity comprises of only corporate and non corporate donation.Then how can we assume that both sum up to total money.

All donations are either corporate or noncorporate, how else? Consider this, are there any other colors but black and non-black? It's as simple as this.
_________________
Re: What was the amount of money donated to a certain charity?   [#permalink] 21 Sep 2014, 10:31
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