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A rectangular region has a fence along three sides and a

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New post 28 Jan 2007, 07:40
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A rectangular region has a fence along three sides and a wall along the fourth side. The fenced side opposite the wall is twice the length of each of the other two fenced sides. If the area of the rectangular region is 128 square feet, what is the total length of the fence, in feet?

A. 4
B. 8
C. 16
D. 32
E. 64
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New post 28 Jan 2007, 08:05
q:2w+l=?

l=2w
lw=128
2w^2=128
w^2=64
w=8
2w+l=16+16=32

My ans D
  [#permalink] 28 Jan 2007, 08:05
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