新PP(1)的一題PS

由 **stwang** » 2005-11-30 01:04

A certain city with a population of 132,000 is to divided into 11 voting districts, and no district is to have a population that is more than 10 percent greater than the population of any ther district. What is the minimum possible population that the least populated district could have?
A.10700
B.10800
C.10900
D.11000
E.11100

我本來是選E 對此答案我自己也不太確定
正確答案是D
請教各位大大這題的思路唷 :laugh

由 **kidd0601** » 2005-12-04 02:01

設最少縣市人口數ｘ
可能最少時　其他縣市人口都是他的１１０％

ｘ＋１０＊（１．１ｘ）＝１３２０００
X=11000

由 **stwang** » 2005-12-04 13:00

喔喔....
原來是這樣呀....
突然覺得自己的數學真爛..... ;-S

謝謝這位大大的解答唷 :laugh

新PP(1)的一題PS

新PP(1)的一題PS

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