What percent of 30 is 12? 选项: A、2.5%3.5% B、25% C、40% D、250% 答案: D Problem Solving 提问 最新 问个问题 我想问: 提交 最热提问 [Issue Essay]Analytical!... [Issue Essay]Analytical!... [Issue Essay]Analytical!... [Issue Essay]Analytical!... [Issue Essay]Analytical!
结果1 题目Write and solve a proportion to answer the question.What percent of 25 is 12?▱=P/(100) 11p=▱ 相关知识点: 试题来源: 解析 179. Let p%. of 15 is 12 (12)/(25)=P/(100)=2P=(12*100)/(25)⇒P=48 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
What percent of an hour is 12 minutes?Percentages:A percentage expresses a part to a whole and is a useful measure to standardize and compare ratios. A percentage is created by expressing a ratio as a decimal and then multiplying it by 100....
One of the key points to remember in percentage problems is that a percentage has no unit. This is because the units, if any, get canceled owing to the ratio or fractional nature of the calculation.Answer and Explanation: Since the question requires what percent of {eq}48 {/eq} is {eq...
A: What is the percent of the traditional families in the United States at present?目前美国传统家庭的百分比是多少 区别在于前者直接问是多少百分比，what percent of 做英语里面的疑问词，后者问百分比是多少，what 做里面的疑问词，没有什么太大区别，都对，最终意思表达一样，都是占比例多少...
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
百度试题 结果1 题目Answer the following questions. (a) What percent of 12 is 144? (b) What percent of 80 is 20?相关知识点: 试题来源: 解析 (a) 1200% (b) 25% (a) 144=p%⋅12 p%=12 p%=1200% (b) 20=p%⋅80 p%=25%反馈 收藏 ...
What percent of 20 is 76 What percent of 21 is 77 What percent of 20 is 78 What percent of 25 is 79 What percent of 26 is 80 Examples to calculate "what is X percent of Y" What is 12 percent of 71 What is 17 percent of 72 ...
答案是E）300/c c是正数。3c=9, c=正负3,因为c是正数，所以c=3.因为答案只有3这一个数字的可能性，所以答案是100%.c=3,代入3.E)300/c%, 300/3%=100 所以答案是选E.