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Thread: Geometry

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    Trying to make mom and pop proud
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    Geometry

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    Hi people, please help me solve this...
    P) 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?
    1.3/2 2.3 3.9/2 4.All the three

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    GRE-GMAT Instructor Brent Hanneson's Avatar
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    Re: Geometry

    Quote Originally Posted by Wise geek View Post
    Hi people, please help me solve this...
    P) 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?
    1.3/2 2.3 3.9/2 4.All the three
    There's no math required for this question.
    The strip can be any value, since we could choose a certain width for the strip and then just shrink or expand the inlay until the ratio of (inlay area): (strip area) is 25:39.

    Cheers,
    Brent



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