20 percent 还是20 percents我在百度上搜索两个都查的到呀

英语翻译Recently the Department of Planning of New York issued a report which laid bare a full scale of change of the city.In 1970,18 percent of the city's population was foreign-born.By 1995,the figure had risen to 33 percent,and another 20 perc about 20 percent of.后接的谓语用单数还是复数?percent是可数名词吗 a 20 percent discount 是指打几折 20 percent 还是20 percents我在百度上搜索两个都查的到呀 ten percent more还是ten more percent 50 percent discount by 20怎么读 pay 20 percent down for it. 这里的20 percent down是什么用法? the production increase by 20 percent,其中by 20 percent在句子中做什么成分 10%~20% 是 ten percent to twenty percent吗?（急,） 20 percent of the water we drink is dirtythe 要加上还是不加？water or the water what percentage还是what percent? 百分之50是fifty percent还是fifty of percent percent是一个词还是两个词 percent?per cent? SAT数学题：20 percent of 5 is 50 percent of what number?我想知道这题的翻译是多少?percent不是百分的意思吗? short of 40 percent 意思是说不足40 percent还是说差40 percent? The p____of the city rose by 20 percent.怎么填? the lost of machine was reduced by 20 percent he paid 20percent down for it (指watch)是什么意思