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One more.. A farmer has a field that measures 1000 ft

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Manager
Joined: 16 Jul 2003
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One more.. A farmer has a field that measures 1000 ft [#permalink]  06 Sep 2004, 21:54
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One more..

A farmer has a field that measures 1000 ft wide by 2000 ft long. There is an untillable strip 20 ft wide on the inside edge of the field, and a 30 ft wide untillable strip bisects the field into two squares (approximate). Approximately what percentage of the field is tillable?

A) 98%

B) 93%

C) 91%

D) 90%

E) 88%

OA follows..
Director
Joined: 20 Jul 2004
Posts: 593
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[#permalink]  06 Sep 2004, 22:26
The two square area comes out to be 965 x 960.

So, % = (2 x 965 x 960) / (2000 x 1000 x 100)
~93%
[#permalink] 06 Sep 2004, 22:26
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One more.. A farmer has a field that measures 1000 ft

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