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Two brothers inherited a rectangular field of dimension 80 feet by 120

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Two brothers inherited a rectangular field of dimension 80 feet by 120  [#permalink]

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New post 07 Jul 2017, 00:24
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A
B
C
D
E

Difficulty:

  45% (medium)

Question Stats:

50% (02:08) correct 50% (01:38) wrong based on 34 sessions

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Two brothers inherited a rectangular field of dimension 80 feet by 120 feet. If they decide to split the land into two equal rectangles, then what is the minimum cost required to fence one such half at the rate of $2 per feet?

(A) $240
(B) $280
(C) $320
(D) $560
(E) $640

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Re: Two brothers inherited a rectangular field of dimension 80 feet by 120  [#permalink]

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New post 07 Jul 2017, 01:35
Since the field inherited is of dimension 80ft by 120ft,
and we need to split into two equal fields, let presume the field to be 80ft by 60ft.

So the perimeter of one such field is 280ft.
Since the cost of fencing is 2$ per feet, the minimum cost to fence is 560$(Option D)
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Re: Two brothers inherited a rectangular field of dimension 80 feet by 120   [#permalink] 07 Jul 2017, 01:35
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