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A carpenter constructed a rectangular sandbox with a

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Senior Manager
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Joined: 10 Mar 2008
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A carpenter constructed a rectangular sandbox with a [#permalink] New post 28 Jun 2008, 17:25
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A
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D
E

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A carpenter constructed a rectangular sandbox with a capacity of 10 cubic feet. If the carpenter were to make a similar sandbox twice as long, twice as wide, and twice as high as the first sandbox, what would be the capacity, in cubic feet, of the sandbox?

a. 20
b. 40
c. 60
d. 80
e. 100


Please show your workings. Thanks!
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Joined: 28 Dec 2004
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Location: New York City
Schools: Wharton'11 HBS'12
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Re: PS: Geometry [#permalink] New post 28 Jun 2008, 17:49
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let the first box be a*b*c=10...

to make life easy let c=1...ab=10..ok so a=5, b=2. c=

now a=10, b=4, c=2=80

D
Re: PS: Geometry   [#permalink] 28 Jun 2008, 17:49
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A carpenter constructed a rectangular sandbox with a

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