百度试题 结果1 题目(1) What number is 40% of 20?(2) What percent of 10 is 40?(3) 15 is 30% of what number?相关知识点: 试题来源: 解析 8; 25%; 50 (1) 40%×20=8 (2) 10÷40=25% (3) 15÷30%=50反馈 收藏
百度试题 结果1 题目What percent of 20 is 40? () A. 50% B. 75% C. 100% D. 200% 相关知识点: 试题来源: 解析 D 反馈 收藏
80% of 50% of 250% of 34 = ? A34 B40 C42.5 D43Submit Question 2 - Select One 80%of450+20%of850=? A540 B580 C530 D560Submit Question 3 - Select One Ratio of t75% to t50% for a 2nd order reaction is : (where t75% = time for 75% completion of reaction) A1 B2 C3 D...
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What is 30% off of $20? Percent Off: When you are shopping, it can be very convenient to be able to figure out how much you will save on an item that is a given 'percent off' of the original price. One easy way to do this is to figure out what 10% off will be and then ...
亲您好,80-20曲线又称帕累托原理或二八定律,是一种经验规则,指出约80%的效果来自于约20%的原因。这个规律在许多领域都有应用。例如,在销售领域,约80%的销量来自于约20%的客户;在生产领域,约80%的问题来自于约20%的缺陷等。这个规律提醒我们,要重视少数对整体产生的影响,遵循单向优化的原则...
B. 10%C. 40%D. 100%相关知识点: 试题来源: 解析 B 20% of 30=0.2×30=6=0.1×60=10% of 60. 60%的百分之几是30%的20%( ). A. 1% B. 10% C. 40% D. 100% 30的20%=30×0.2=6=0.1×60=60的10%. 故选B.反馈 收藏
百度试题 结果1 题目What percentage of 20 is 9? 相关知识点: 试题来源: 解析 9/(20)=(45)/(100)=45 % 反馈 收藏
英语翻译20is 10% of what number?1.75% of what number is 3.62.6 is what per cent of 123.what % of 10 is 64.which was 50% of the total number of game it played.5.Helen boughy a coat at a "20% off"sale and saved $24. 答案 20是多少的10%多少的75%是3.66占12的百分之几6占...
B如果一个数字的20%是12,那么这个数字的30%是多少?一个数的20%等于这个数的1/5,令n为这个数,1/5n=12,两边同时乘以5,得到n=60.n的30%等于3/(10)n=3/(10)*60=3*6=18,故B正确.故选B.20% of a number is equal to 1/5 of that number. Let n= the number 1/5n=12 Multiply both sides...