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A certain city with a population of 132,000 is to be 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 other district. What is the minimum possible population that the least populated district could have? A. 10,700 B. 10,800 C. 10,900 D. 11,000 E. 11,100 ANS:D 可否幫忙解答 謝謝! -- ※ 發信站: 批踢踢實業坊(ptt.cc) ◆ From: 59.127.5.54
chihkai:這題我是先假設某一個區的人數為X 另外10個區都比這區多10 01/03 20:14
chihkai:% 所以就是1.1X X+1.1X*10=132,000 12X=132,000 X=11,000 01/03 20:15
chihkai:不知道這樣做對不對 01/03 20:15