标题: 一道数学题，算了好几遍，还是错了，请大家帮帮忙 [打印本页] 作者: amber4cdream 时间: 2016-11-22 17:15 标题: 一道数学题，算了好几遍，还是错了，请大家帮帮忙 题目：
Population of The United States in 1800 and 1900
Year Population Population per Square Mile
1800 5.3 million 6.1
1900 76.0 million 25.6
By approximately how many square miles did the area of the United States increase from 1800 to 1900?
A. 360,000
B. 2,000,000
C. 3,625,000
D. 20,000,000
E. 36,250,000