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

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17 Jun 2017, 10:21

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A

B

C

D

E

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2018.OG.05.055.q.png [ 56.01 KiB | Viewed 1887 times ]

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?

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

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09 Aug 2017, 06:36

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.
_________________

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.

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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