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The length of a rectangular garden is increased by p percent

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The length of a rectangular garden is increased by p percent [#permalink] New post 17 Jun 2018, 13:35
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The length of a rectangular garden is increased by p percent and its width is decreased by p percent.


Quantity A
Quantity B
The area of the new garden if p = 10
The area of the new garden if p = 20


A)The quantity in Column A is greater.
B)The quantity in Column B is greater.
C)The two quantities are equal.
D)The relationship cannot be determined from the information given.
[Reveal] Spoiler: OA

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Re: The length of a rectangular garden is increased by p percent [#permalink] New post 18 Jun 2018, 08:21
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even though my answer was correct, I would like to confirm that with substituting values, the answer would be the same for any number in this question
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Re: The length of a rectangular garden is increased by p percent [#permalink] New post 18 Jun 2018, 08:31
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Yes. Must be so.

Think the rectangle L 110* W 8 and the increase by 10 % >>> L 110 * W 7.2 and the area is 792

Increase by 20% L 120 * W 6.4 and the area is 768.

A is the answer.
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Re: The length of a rectangular garden is increased by p percent   [#permalink] 18 Jun 2018, 08:31
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The length of a rectangular garden is increased by p percent

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