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Register now and save up to $200 Available with Beat the GMAT members only code • Magoosh Study with Magoosh GMAT prep Available with Beat the GMAT members only code • Free Veritas GMAT Class Experience Lesson 1 Live Free Available with Beat the GMAT members only code • Free Trial & Practice Exam BEAT THE GMAT EXCLUSIVE Available with Beat the GMAT members only code • 5-Day Free Trial 5-day free, full-access trial TTP Quant Available with Beat the GMAT members only code • 1 Hour Free BEAT THE GMAT EXCLUSIVE Available with Beat the GMAT members only code • Free Practice Test & Review How would you score if you took the GMAT Available with Beat the GMAT members only code • Get 300+ Practice Questions 25 Video lessons and 6 Webinars for FREE Available with Beat the GMAT members only code ## Geometry tagged by: Brent@GMATPrepNow This topic has 6 expert replies and 2 member replies vinay1983 Legendary Member Joined 14 Aug 2013 Posted: 643 messages Followed by: 6 members Upvotes: 48 Target GMAT Score: 650+ #### Geometry Wed Sep 18, 2013 7:19 am A square wooden plaque has a square brass inlay in the center, leaving a wooden strip of uniform width around the brass square. lf the ratio of the brass area to the wooden area is 25 to 39, which of the following could be the width, in inches, of the wooden strip? i. 1 ii. 3 iii. 4 (A) I onlY (B) ll onlY (C) I and ll only (D) I and lll only (E) l, ll, and lll Original explanation is waaaaaayyyy to lengthy!Any simple method. Rather is there any conceptual approach to such problems? _________________ You can, for example never foretell what any one man will do, but you can say with precision what an average number will be up to! Need free GMAT or MBA advice from an expert? Register for Beat The GMAT now and post your question in these forums! ### GMAT/MBA Expert DavidG@VeritasPrep Legendary Member Joined 14 Jan 2015 Posted: 2532 messages Followed by: 116 members Upvotes: 1153 GMAT Score: 770 Wed Dec 09, 2015 1:45 pm See here for a virtually identical question/discussion: http://www.beatthegmat.com/ds-geometry-t284497.html _________________ Veritas Prep | GMAT Instructor Veritas Prep Reviews Save$100 off any live Veritas Prep GMAT Course

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sanju09 GMAT Instructor
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Wed Dec 09, 2015 11:54 pm
vinay1983 wrote:
A square wooden plaque has a square brass inlay in the center, leaving a wooden strip of uniform width around the brass square. lf the ratio of the brass area to the wooden area is 25 to 39, which of the following could be the width, in inches, of the wooden strip?

i. 1
ii. 3
iii. 4

(A) I onlY
(B) ll onlY
(C) I and ll only
(D) I and lll only
(E) l, ll, and lll

Original explanation is waaaaaayyyy to lengthy!Any simple method. Rather is there any conceptual approach to such problems?
E

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Brent@GMATPrepNow GMAT Instructor
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Thu Dec 10, 2015 6:55 am
rupalie wrote:
Thanks Brent, can you please explain...thanks!
See my posts above

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rupalie Newbie | Next Rank: 10 Posts
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3 messages
Tue Dec 08, 2015 11:25 am
Thanks Brent, can you please explain...thanks!

### GMAT/MBA Expert

Brent@GMATPrepNow GMAT Instructor
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Tue Dec 08, 2015 11:21 am
rupalie wrote:
What's the answer to this question?
E

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rupalie Newbie | Next Rank: 10 Posts
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Tue Dec 08, 2015 10:28 am
What's the answer to this question?

### GMAT/MBA Expert

Brent@GMATPrepNow GMAT Instructor
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Wed Sep 18, 2013 7:44 am
vinay1983 wrote:
A square wooden plaque has a square brass inlay in the center, leaving a wooden strip of uniform width around the brass square. lf the ratio of the brass area to the wooden area is 25 to 39, which of the following could be the width, in inches, of the wooden strip?

i. 1
ii. 3
iii. 4

(A) I onlY
(B) ll onlY
(C) I and ll only
(D) I and lll only
(E) l, ll, and lll
Here are some diagrams to support the solution in my last post.

Let's say we want to create a plaque with a square brass inlay in the center, and we want the brass to wood ratio to be 25:39

Let's begin a square wooden board with ANY dimensions.
ttp://postimage.org/" target="_blank">

Now place a square brass inlay in the middle of the wooden board, and keep adjusting the size of the brass inlay until we have a brass to wood ratio that is 25:39
ttp://postimage.org/" target="_blank">

At this point, if we shrink or expand the plaque . . .
ttp://postimg.org/image/fapyqouar/" target="_blank">
. . . the brass to wood ratio will remain at 25:39

So, as you can see, this plaque can be ANY size, which means the width of the wooden strip can have ANY measurement.

Cheers,
Brent

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Brent@GMATPrepNow GMAT Instructor
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Wed Sep 18, 2013 7:29 am
vinay1983 wrote:
A square wooden plaque has a square brass inlay in the center, leaving a wooden strip of uniform width around the brass square. lf the ratio of the brass area to the wooden area is 25 to 39, which of the following could be the width, in inches, of the wooden strip?

i. 1
ii. 3
iii. 4

(A) I onlY
(B) ll onlY
(C) I and ll only
(D) I and lll only
(E) l, ll, and lll

This is a bit of a trick question.
We have a brass square inside a wood frame. The ratio of the brass area to the wooden area is 25 to 39.
Once we find a width of the wooden strip that works, we can shrink or expand size of the plaque to get ANY width.
In other words, the wooden strip can have ANY length.

Cheers,
Brent

_________________
Brent Hanneson â€“ Founder of GMATPrepNow.com
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Check out the online reviews of our course
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Thanked by: amina.shaikh309
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