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by its_me07 » Sat Feb 09, 2008 3:29 am
A square countertop has a square tile inlay in the center,leaving an untiled strip of uniform width around the tile.If the ratio of the tiled area to the untiled area is 25 to 39,which of the following could be the width in inches of the strip?

I. 1 1/2
II.3
III.4 1/2

A) I only
B) II only
C) I and II only
D) I and III only
E) I,II and III
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qa please

by resilient » Sun Feb 17, 2008 1:55 pm
teh parts of 25/39 equal a total of 64 area for all. middle inlay is 5 by five and consequently to fit the tables measurements the 8 by 8.. the only width after you draw out your table is 1. qa is A. please next time post qu a at end of question. thank you
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Answer is E

by aas550 » Tue Aug 05, 2008 11:38 am
Hey guys!
The answer is E according to the official GMAT.
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by preetha_85 » Sat Aug 09, 2008 6:01 am
Hi

The ratio of the areas is 25:39 so the areas can be either 25,39; 50,78;
75,117 ; nd so on .....
So if the areas are 25 nd 39 the width is :1.5
if the areas are 50 nd 78 the width is :3.0
nd if the areas are 75 nd 117 the width is : 4.5

Hope this makes sense.
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