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Private donations to charitable

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Private donations to charitable [#permalink] New post 24 May 2017, 01:57
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Question Stats:

68% (04:55) correct 31% (05:08) wrong based on 44 sessions


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#GREpracticequestion From September 1985 to December 1989, what was the approximate ratio of private donations in millions for homeless aid to private donations in millions for animal rights.jpg
#GREpracticequestion From September 1985 to December 1989, what was the approximate ratio of private donations in millions for homeless aid to private donations in millions for animal rights.jpg [ 74.71 KiB | Viewed 5935 times ]
If there were 38 child safety organizations and the funds contributed to these organizations in September 1989 were evenly distributed, how much did each charity receive?

A) $12,000,000

B) $9,400,000

C) $2,500,000

D) $250,000

E) $38,000

[Reveal] Spoiler: OA
D


From September 1985 to December 1989, what was the approximate ratio of private donations in millions for homeless aid to private donations in millions for animal rights?

A) 20 : 9

B) 3 : 2

C) 4 : 3

D) 9 : 7

E) 6 : 5

[Reveal] Spoiler: OA
C


Which of the following charitable causes received the smallest percent increase in private donations from September 1989 to October 1989 ?

A) Animal Rights

B) Disaster Relief

C) Homeless Aid

D) Environmental Protection

E) Child Safety

[Reveal] Spoiler: OA
E


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Last edited by Carcass on 31 Aug 2020, 21:53, edited 1 time in total.
Edited the OA in the second answer
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Re: Private donations to charitable [#permalink] New post 26 Sep 2017, 08:00
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Q1: Since the total private donation for child safety in Sept 1989 is a bit more than 9 mln, we should divide \(9^+\) by 38 to get roughly 0.236, which in million is 236,842 that is near to D since the answers are very spread apart. Answer D.

Q2: it's again a matter of estimation. The ratio between homeless and animal rights in September 1985 to December 1989 is computed as 300/230 mln = 1.3. Among the answers, 4/3 = 1.3 thus the answer is C.

Q3: Using the formula of the percent increase, it's easy to check that Child Safety got the highest increase from September 1989 to October 1989. Answer E.
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Re: Private donations to charitable [#permalink] New post 02 Jul 2018, 01:08
IlCreatore wrote:
Q1: Since the total private donation for child safety in Sept 1989 is a bit more than 9 mln, we should divide \(9^+\) by 38 to get roughly 0.236, which in million is 236,842 that is near to D since the answers are very spread apart. Answer D.

Q2: it's again a matter of estimation. The ratio between homeless and animal rights in September 1985 to December 1989 is computed as 300/230 mln = 1.3. Among the answers, 4/3 = 1.3 thus the answer is C.

Q3: Using the formula of the percent increase, it's easy to check that Child Safety got the highest increase from September 1989 to October 1989. Answer E.


Thank you very much for you and Carcass for all solutions and questions you are presenting here. But regarding question 2 above, why you did not use Starting value - the decreasing value / starting value formula?
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Re: Private donations to charitable [#permalink] New post 02 Jul 2018, 15:17
Expert's post
First of all this is not A Powerprep software question but from Princeton. The tag was wrong. I guess it was changed when several months ago all the tags of the board were messed up.

Also the OA is not D but B.

Attachment:
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Al0pxp4.jpg [ 64.1 KiB | Viewed 8133 times ]


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Re: Private donations to charitable [#permalink] New post 14 Jul 2018, 17:38
Can anyone explain Q3?
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Re: Private donations to charitable [#permalink] New post 06 Aug 2018, 23:45
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Akash03jain wrote:
Can anyone explain Q3?

So break down the increase in every department
Animal Rights- 2.5mil to 3 mil- 20% increase
Disaster relief-1.5mil to 2mil- 33% increase
Homeless Aid- 3mil to 3.5mil- 16.7% increase
Enviornmental protection- 4mil to 4.5mil- 12.5% increase
Child Safety- 9.25mil to 10mil- 8% increase

Which means child safety was increased the least, proportinally. Hence answer is E
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Re: Private donations to charitable [#permalink] New post 20 Dec 2018, 22:26
Regarding q3 it takes time to calculate percentage increase for each and every charitable cause. Is there some steps that we can cut off in that ?
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Re: Private donations to charitable [#permalink] New post 17 Jun 2019, 12:22
Why can you simply not "estimate" by looking at the spatial difference between the Sept and Oct 1989 markers? i.e. narrower distance between markers = smaller percentage change?
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Re: Private donations to charitable [#permalink] New post 17 Jun 2019, 12:28
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You could estimate only when the stem says "approximately".

Otherwise, especially in the scenario in which the answer choices are tight, you could end up with the wrong answer.

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Re: Private donations to charitable [#permalink] New post 17 Jun 2019, 12:29
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Ok understood - thanks Carcass
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Re: Private donations to charitable [#permalink] New post 31 Aug 2020, 18:35
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I believe the answer to the second question is miskeyed. The explanation says the answer is C but it shows B
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Re: Private donations to charitable [#permalink] New post 31 Aug 2020, 21:47
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Let me check Sir
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Re: Private donations to charitable [#permalink] New post 31 Aug 2020, 21:54
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Yes, it was C indeed

Many Thanks. Fixed
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