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# The perimeter of a rectangular flower bed is 100 feet. What is the are

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The perimeter of a rectangular flower bed is 100 feet. What is the are  [#permalink]

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08 Oct 2017, 08:49
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Difficulty:

25% (medium)

Question Stats:

88% (00:28) correct 13% (00:16) wrong based on 32 sessions

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The perimeter of a rectangular flower bed is 100 feet. What is the area of the flower bed, in square feet, if its length is 10 feet greater than its width?

(A) 400
(B) 500
(C) 600
(D) 900
(E) 2,400

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Re: The perimeter of a rectangular flower bed is 100 feet. What is the are  [#permalink]

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Updated on: 08 Oct 2017, 09:18
If x=width
P=2(x+x+10)
4x+20=100
X=20
Area=20*30=600(D)

Originally posted by akanksha1411 on 08 Oct 2017, 09:11.
Last edited by akanksha1411 on 08 Oct 2017, 09:18, edited 1 time in total.
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Joined: 28 May 2014
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GMAT 1: 730 Q49 V41
Re: The perimeter of a rectangular flower bed is 100 feet. What is the are  [#permalink]

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08 Oct 2017, 09:13
Perimeter = 2(l + w) = 100
(l + w) = 50
Again, l = w + 10
Hence, (l + w) = 2w + 10 = 50;
w = 20; l = 30;
Hence, area = l*w = 600;

Ans: C.
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Re: The perimeter of a rectangular flower bed is 100 feet. What is the are &nbs [#permalink] 08 Oct 2017, 09:13
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