the population of snowtown was 4500 in 1990.In 1994,it had decreased to 3600.Find the percent decrease in population during those four years.如果有公式也一起给我,给个详解

区分a population of/the population of the population of china___(increase). a population of和the population of有啥区别 ---------------is the population of the city. 选择题：____ of China is 1.3 billion.(A.Population B.a population C.The population) 英语作文The population problems of leiyang 翻译:The population of China is over. The population of China is 1.3 b___ statistical study of the human population what's the population of shanghai The Population of the world become largerThe Population of the world become larger and larger. the population of 和 a population of 的用the population of 和 a population of 的用法和区别是什么~ 关于英文单词population的用法.What is the population of ...和How much is the population of ...哪个正确? Ireland has a young population,with 44%of the population under the age of 25. 同义句what is the population of the world 同义句what is the population of the world ---------- ----------- ------------ the population of the world The b___ problem of the world is the interesting population a population of 和the population of 的区别,这两怎么用? The population of Shanghai is larger than that of Beijing..