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楼主
发表于 2014-11-6 22:41:02 | 只看该作者 回帖奖励 |倒序浏览 |阅读模式
A certain city with a population of 132000 is to divide into 11 voting districts and no districts 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?

1,10700
2,10800
3,10900
4,11000
5,11100


答案是4.

请教如何写方程
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沙发
发表于 2014-11-7 00:03:06 | 只看该作者
X+10x1.1X=132000
板凳
发表于 2014-11-7 00:04:19 | 只看该作者
x+1.1x*10=132000,so x=11000
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