Can a certain rectangular sheet of glass be positioned on a : DS Archive
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# Can a certain rectangular sheet of glass be positioned on a

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Intern
Joined: 05 Oct 2007
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Can a certain rectangular sheet of glass be positioned on a [#permalink]

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31 Oct 2007, 10:48
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Can a certain rectangular sheet of glass be positioned on a rectangular tabletop so that it covers the entire tabletop and its edges are parallel to the edges of the tabletop?
(1) The tabletop is 36 inches wide by 60 inches long.
(2) The area of one side of the sheet of glass is 2400 square inches.

Thrown off by the wording a bit.
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Joined: 30 Oct 2007
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Re: DS - Rectamgular sheet [#permalink]

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01 Nov 2007, 02:16
rags wrote:
Can a certain rectangular sheet of glass be positioned on a rectangular tabletop so that it covers the entire tabletop and its edges are parallel to the edges of the tabletop?
(1) The tabletop is 36 inches wide by 60 inches long.
(2) The area of one side of the sheet of glass is 2400 square inches.

Thrown off by the wording a bit.

(1) alone does not help us to find out an answer - INSUFF
(2) alone does not help us to find out an answer - SUFF

(1) and (2) together:
Area of tabletop - 2160
Area of sheet - 2400

With this information we do not know about the width and length of sheet, therefore can not say if this will be able to cover the tabletop. May be sheet is very long but not as wide as tabletop (for example width = 20, length = 120) therefore larger area does not make sure that sheet will be able to cover the tabletop.

Both together INSUFF.
Re: DS - Rectamgular sheet   [#permalink] 01 Nov 2007, 02:16
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