prep1-48

iforone

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

不好意思,我数学比较差,这题请会做得G友指点一下

Daphne619

既然最多的不能超过最少的1.1倍，又希望最少的那个足够小，设最少的那个人口为x，其他的全为1.1x，总和为132000

式子表达为x+1.1x*10=132000

希望说清楚了：）