百度试题 结果1 题目Whatpercentof80is24?A:0.3%B:3%C:40%D:30% 相关知识点: 试题来源: 解析 D 30% 反馈 收藏
解析 50Suppose without loss of generality that we have a 100kg orange. Then 80kg is water, and 20kg is other content. Now 75% of 80 is 60 so we have 80-60=20kg of water left. Then the percentage of water in the remaining orange is 20÷(20+20)*100=50%. ...
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A percentage is a way of referring to a proportion by reference to the number 100. To calculate a percentage, we identify the total value of units with 100. The percentage n means that they are n units of every 100. In other words, a percentage is a portion of the total: n%ofT=...
What Is a Target Heart Rate? You get the most benefits when you exercise in your “target heart rate zone.” Usually, this is when your heart rate is 60%-80% of your maximum. In some cases, your doctor may decrease your target heart rate zone to around 50%. ...
What's the correct expression for “80%”? A. Eighty percent B. Eighty percents C. Eighty of percent D. Eighty of percents 相关知识点: 试题来源: 解析 A。“80%”读作“eighty percent”,percent 没有复数形式。在句子中表示通过考试的学生所占的比例。反馈 收藏 ...
Generally speaking, people there hold the o pinion that children don’t cost much and when they get old enough to work they will bring in money and that when parents are old, they will take care of them. That is so-called traditional idea of “more children, more happiness”, which ...
We find what percentage is 80,000 of 300,000,000 by dividing the first number by the second number and then by multiplying the result by 100: {eq}\...Become a member and unlock all Study Answers Start today. Try it now Create an account Ask a question Our experts can answer ...
A student has two test scores. The difference between the scores is 8 and the mean is 81. What are the two test scores? You need an average of 88. You have scored an 85,90,80,94 on four out of five tests. What must your score be on ...
The Pareto Principle states that 80% of consequences come from 20% of the causes. The principle was derived from the imbalance of land ownership in Italy. It is commonly used to illustrate the notion that not all things are equal and the minority owns the majority. ...