Question: 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 a...
awhen you receive your sign in informtion,follow the directions in the email toreset your password 当您接受您时签到informtion,跟随方向在电子邮件toreset您的密码[translate] aIf 20% of a number is 12,what is 30% of the same number 如果20%数字是12,什么是30%同一个数字[translate]...
What is 40% of 20?Percentages:When we want to know what a percentage of a number is, it is helpful to know that a percentage is a fraction with 100 as its denominator. This is why 100% represents a whole, also known as 1.
If a book costs $20 and there is a 25% discount, what is the discounted price? A. $15 B. $16 C. $17 D. $18 相关知识点: 试题来源: 解析 A。解析:25% of 20 is 5. So the discounted price is 20 - 5 = $15.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
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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 by 5n=6030% of n is equal to 3/(10)n=3/...
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