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# A wildlife preserve is being planned for 3,000 rhinoceroses.

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Manager
Joined: 11 Jan 2007
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Location: Bangkok
A wildlife preserve is being planned for 3,000 rhinoceroses. [#permalink]

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01 Jun 2007, 08:57
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9. A wildlife preserve is being planned for 3,000 rhinoceroses. The preserve is to contain a total of 10,000 acres of watering area, plus 100 acres of grazing area for each rhinoceros. If the number of rhinoceroses is expected to increase by 10 percent, how many thousand acres should the preserve have in order to provide for the increased population?
(A) 340
(B) 330
(C) 320
(D) 310
(E) 300
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cool

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VP
Joined: 08 Jun 2005
Posts: 1143

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01 Jun 2007, 14:04
For 3,000 rhinoceroses

3,000*100+10,000 = 310,000

For 3,000*1.1 = 3,300 rhinoceroses

3,300*100+10,000 = 340,000

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CEO
Joined: 21 Jan 2007
Posts: 2734

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Location: New York City

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03 Jun 2007, 17:15
KillerSquirrel wrote:
For 3,000 rhinoceroses

3,000*100+10,000 = 310,000

For 3,000*1.1 = 3,300 rhinoceroses

3,300*100+10,000 = 340,000

yes. not all that was necessary. just needed

k= thousand
10k + 1.1(300k)= total land
10k + 330k= total land

340k

Kudos [?]: 1076 [0], given: 4

03 Jun 2007, 17:15
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