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According to the table shown, the estimated number of home-schooled

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According to the table shown, the estimated number of home-schooled  [#permalink]

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New post Updated on: 17 Jun 2017, 12:16
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According to the table shown, the estimated number of home-schooled students in State A is approximately what percent greater than the number in State D?

A. 25%
B. 55%
C. 100%
D. 125%
E. 155%

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Sentence Correction-Collection of Ron Purewal's "elliptical construction/analogies" for SC Challenges


Originally posted by AbdurRakib on 17 Jun 2017, 09:21.
Last edited by Bunuel on 17 Jun 2017, 12:16, edited 2 times in total.
Renamed the topic and edited the question.
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According to the table shown, the estimated number of home-schooled  [#permalink]

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New post Updated on: 11 Aug 2017, 08:30
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AbdurRakib wrote:
Attachment:
2018.OG.05.055.q.png
A. 25%
B. 55%
C. 100%
D. 125%
E. 155%


Students in A = 181
Students in D = 79
Difference between A and D = 181 - 79 = 102

Required percentage = Difference between A and D / D \(= \frac{102}{79} * 100\)

Approximately \(= \frac{100}{80}* 100 = 125%\). Answer D...


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Originally posted by sashiim20 on 17 Jun 2017, 09:26.
Last edited by sashiim20 on 11 Aug 2017, 08:30, edited 1 time in total.
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Re: According to the table shown, the estimated number of home-schooled  [#permalink]

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New post 18 Jul 2017, 10:21
sashiim20 wrote:
AbdurRakib wrote:
Attachment:
2018.OG.05.055.q.png
A. 25%
B. 55%
C. 100%
D. 125%
E. 155%


Students in A = 181
Students in D = 79
Difference between A and D = 181 - 97 = 102

Required percentage = Difference between A and D / D \(= \frac{102}{79} * 100\)

Approximately \(= \frac{100}{80}* 100 = 125%\). Answer D...


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Can you please explain
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Re: According to the table shown, the estimated number of home-schooled  [#permalink]

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New post 18 Jul 2017, 10:22
Can you please explain again in simpler terms
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Re: According to the table shown, the estimated number of home-schooled  [#permalink]

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New post 18 Jul 2017, 12:08
1
asfandabid wrote:
Can you please explain again in simpler terms



A =181
D=79


ok...

now suppose D will be increased 100% or just doubled
the value we get = 79+79 = 158 ~ 160

but still A is ahead by 181-160 = 21 or ~20 units

thus 20 is again what % of 79 or ~ 80
let it be x%
then x% of 80 =20
or 80x/100=20
x=25 %

thus total increase = 100 (earlier shown) + 25% (calculated x)
=125%

Ans D

hope it makes sense!!!!!
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Re: According to the table shown, the estimated number of home-schooled  [#permalink]

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New post 09 Aug 2017, 05:36
AbdurRakib wrote:
Attachment:
2018.OG.05.055.q.png

According to the table shown, the estimated number of home-schooled students in State A is approximately what percent greater than the number in State D?

A. 25%
B. 55%
C. 100%
D. 125%
E. 155%


State A - 181,000
State D - 79,000
A is what % greater than D approximately?

Let's round up D = 80,000
100% increase => D = 160,000
=> A,B,C can be safely eliminated.

150% increase => D = 200,000 <--- Already too big
=> E can safely be eliminated.

D is the answer i.e. approximately 125% increase.
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Re: According to the table shown, the estimated number of home-schooled  [#permalink]

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New post 10 Aug 2017, 02:22
sashiim20 wrote:
AbdurRakib wrote:
Attachment:
2018.OG.05.055.q.png
A. 25%
B. 55%
C. 100%
D. 125%
E. 155%


Students in A = 181
Students in D = 79
Difference between A and D = 181 - 97 = 102

Required percentage = Difference between A and D / D \(= \frac{102}{79} * 100\)

Approximately \(= \frac{100}{80}* 100 = 125%\). Answer D...


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The different between A and D should be 181-79?
how is it 181-97?
thank you
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Re: According to the table shown, the estimated number of home-schooled  [#permalink]

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New post 10 Aug 2017, 09:38
AbdurRakib wrote:
Attachment:
2018.OG.05.055.q.png

According to the table shown, the estimated number of home-schooled students in State A is approximately what percent greater than the number in State D?

A. 25%
B. 55%
C. 100%
D. 125%
E. 155%


Approximate.
The number of home schooled children in A is 180 and that in D is 80.
We need to find by what percentage is A greater than D. A is 100 greater than D. If A were 80 greater than D, it would be 100% greater. If A were 80 + 40 = 120 greater than D, it would be 150% greater. It is right in the middle of the two - i.e. it is 100 greater hence it is 125% greater than D.

Answer (D)
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According to the table shown, the estimated number of home-schooled  [#permalink]

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New post 11 Aug 2017, 08:30
pclawong wrote:
The different between A and D should be 181-79?
how is it 181-97?
thank you


It was a typo. Edited. Thank you. :)
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Re: According to the table shown, the estimated number of home-schooled  [#permalink]

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New post 11 Aug 2017, 08:50
1
asfandabid wrote:
Can you please explain again in simpler terms

Sure.

According to the table,
\(A = 181\)
\(D =79\)

Difference of \(A\) and \(D\) will give how much is \(A\) greater than \(D\).
Therefore, \(A - D = 181- 79 = 102\)

Required percent = (Difference of \(A\) and \(D\) \(/\) \(D) * 100= \frac{102}{79}\) * 100

As the question is asking the approximate value, we can approximate the above fraction

Therefore; \(\frac{102}{79}*100 =\) (Approximately) \(= \frac{100}{80} * 100 = 125\)%
Answer (D)

Hope its clear now. :)
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Re: According to the table shown, the estimated number of home-schooled  [#permalink]

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New post 15 Aug 2017, 09:53
AbdurRakib wrote:
Attachment:
2018.OG.05.055.q.png

According to the table shown, the estimated number of home-schooled students in State A is approximately what percent greater than the number in State D?

A. 25%
B. 55%
C. 100%
D. 125%
E. 155%


We can set up the following expression:

(181,000 - 79,000)/79,000 x 100

Estimating, we have:

(180,000 - 80,000)/80,000 x 100

100,000/80,000 x 100

10/8 x 100 = 5/4 x 100 = 125%

Answer: D
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Re: According to the table shown, the estimated number of home-schooled  [#permalink]

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New post 19 Jul 2018, 04:22
Here's my solution:

State A: X
State D: Y
Percentage: P

X= Y + Y*P/100

Since the question is asking for approximate no- X and Y values rounded to the nearest integer.

180=80+80*P/100
100=80*P/100
100*5/4=P
125=P

Correct answer- D
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Re: According to the table shown, the estimated number of home-schooled  [#permalink]

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New post 01 Nov 2018, 05:10
I believe the correct answer option provided is flawed. Shouldn't the correct answer be A, 25%, as the question is what % greater the number of students in State A is compared to State B, rather than what % the number of students in state A is of State B? If the answer is 125% the number of students in State A would have to be at least twice as large as in State B right?
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Re: According to the table shown, the estimated number of home-schooled &nbs [#permalink] 01 Nov 2018, 05:10
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