1、 A certain city with a population of 132000 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 10700
B 10800
C 10900
D 11000
E 11100
将13200分成11份。最小的和最大的相差不能超过any other district。
试着想这么一个情景,10个区将人口少的机会都分给其中一个,10家超过12000,只有1家低于12000(12000=132000/11)
那么,最小人口区(A)应该满足:其他区人数相等,并且是A的1.1倍。
X+10Y=132000
1.1X=Y
X=11000 |