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The population of females was greater in 1980 than in 1986 for approximately what percent of the ages from 0 to 100 years?
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当前版本由 532262gf 更新于2021-10-21 17:37:05 感谢由 532262gf 对此题目的解答所做出的贡献。
题目的意思是1980年女性人数比1986年女性人数多的年龄有多少
如图所示，1980年，49-59这个段比1986年的多，那么就是10个ages
同理8-23也是，所以15个ages
共15+10=25个ages 1980年比1986年多
所以25/100=25%
当前版本由 500902mqip 更新于2021-10-21 17:33:31 感谢由 500902mqip 对此题目的解答所做出的贡献。
这题的意思是在0到100这个年龄段中，1980女性人口大于1986年的年龄段占总比的百分之多少。 从图来看大概在8—23有一段，然后就是50—60有一段所以 (23-8+60-50)/100=.25
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