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标题: [求助]DaQuan_PS_sec.42_9 [打印本页]

作者: falcons 时间: 2005-9-1 06:23 标题: [求助]DaQuan_PS_sec.42_9

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

(D) 310

(E) 300

ans: A.

mine:

10,000 + 100 + ( 10,000 /3,000)*(3000*10%) +

( 100/3,000)*(3000*10%) = 11,110

no answer?

am i wrong?

作者: bfghdggf 时间: 2005-9-1 07:02

plus 100 acres of grazing area for each rhinoceros

作者: jhiiool 时间: 2005-9-3 07:02

ding !!!

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