作者minie (GoGoGo)
看板GMAT
标题[计量] PP1
时间Sat Jan 3 19:04:30 2009
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
可否帮忙解答 谢谢!
--
※ 发信站: 批踢踢实业坊(ptt.cc)
◆ From: 59.127.5.54
1F：推 chihkai:这题我是先假设某一个区的人数为X 另外10个区都比这区多10 01/03 20:14
2F：→ chihkai:% 所以就是1.1X X+1.1X*10=132,000 12X=132,000 X=11,000 01/03 20:15
3F：→ chihkai:不知道这样做对不对 01/03 20:15