() A. 10% B. 15% C. 18% D. 25% E. 37.5% 相关知识点: 试题来源: 解析 E The total number of students in the class is 15+25= 40. Now, translate the main part of the sentence into a mathematical equation:(40)(100)x=1525x=152x=75x=37.5The answer is (E)....
A. 20 B. 25 C. 30 D. 35 相关知识点: 试题来源: 解析 B。首先,设这个数为 x,30%x = 15,解得 x = 50。那么 50%×50 = 25,所以答案是 B 选项。A 选项 20 不是 50 的 50%;C 选项 30 不是 50 的 50%;D 选项 35 也不是 50 的 50%。反馈...
Ben thinks he is smart,but he always does foolish things.One day he sees a beautiful bell (门铃) at the top of a door.“Oh!How nice!I will take it home,” he thinks,“What can I do?” Then he has a “good” idea.“Aha!I have an idea now.I can plug(堵) my ears.Then I...
–It's fifty–five dollars.55美元。–What's the price of three boxes of orange?三箱橙汁多少钱？–It's thirty yuan.30元。句型4 How much do +名词复数+cost?答语: They cost+价格。eg: –How much do these pens cost?这些钢笔花了多少钱？–They cost fifteen dollars. 15美元。句型5 How mu...
Answer and Explanation: 35% of 45 is equal to 15.75 This answer can be found by using the percent equation formula below: percent * whole = part Before you can plug the...
百度试题 结果1 题目E2 If 30% of a number is 150, what is 25% of the same number? 相关知识点: 试题来源: 解析 125 反馈 收藏
百度试题 结果1 题目15 is 60% of what? 相关知识点: 试题来源: 解析 25 反馈 收藏
49=7*7,25!包含7和14，factor 50=5*10factor 51=3*17factor 52=4*13factor 53prime 54=2*3*9,factor 55=5*11,factor 56=7*8,factor 57=3*19,factor 58=2*29,not a factor and not a prime So 58 is the least positive integer that is not a factor of 25! and is not a...
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Why Are Interest Rates on 30-year Loans Higher than on 15-year Loans? Interest rates are a function of therisk of defaultand theopportunity cost. Longer loans and debts are inherently more risky, as there is more time for the borrower to default. The same time, the opportunity cost is ...