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The length of a rectangle is 4 cm longer than the width, and

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The length of a rectangle is 4 cm longer than the width, and [#permalink] New post 11 Jan 2018, 02:06
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The length of a rectangle is 4 cm longer than the width, and the perimeter is 96 cm. The area of the rectangle is how many square centimeters?

A. 22

B. 26

C. 48

D. 192

E. 572

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[Reveal] Spoiler: OA

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Re: The length of a rectangle is 4 cm longer than the width, and [#permalink] New post 11 Jan 2018, 02:44
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for the above rectangle:
Let us suppose width=w then length=w+4
perimeter= 2(w+w+4)=96
solve for w; w=22 this gives length=26
area=l*w=26*22=572(E)
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Re: The length of a rectangle is 4 cm longer than the width, and [#permalink] New post 11 Jan 2018, 05:45
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572 is the correct answer
l=26
w=22
a= l*w
=572
Re: The length of a rectangle is 4 cm longer than the width, and   [#permalink] 11 Jan 2018, 05:45
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The length of a rectangle is 4 cm longer than the width, and

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