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If 40% of a number is 80, what is the number? A. 200 B. 220 C. 240 D. 260 相关知识点: 试题来源: 解析 A。设这个数为 x,40%x = 80,x = 80÷40% = 200 。反馈 收藏
(5).75% of a number is57, what is this number?相关知识点: 试题来源: 解析 最终答案是76。 题目要求计算一个数是多少,已知这个数的75%是57。 根据题意,可以用57除以75%得到这个数。 **计算过程:** 57 ÷ 75% = 57 ÷ 0.75 = 76反馈 收藏 ...
To solve the problem step by step, we start with the equation given in the question.Step 1: Set up the equation We know that 15% of 45% of a number (let's call it X) equals 105.3. We can express this mathematically as: \( 0.15
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百度试题 结果1 题目60% of a number is 30. What's the number? A. 50 B. 60 C. 40 D. 70 相关知识点: 试题来源: 解析 A。设这个数为 x,则 60%x = 30,解得 x = 50。反馈 收藏
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百度试题 结果1 题目A positive number has the property that % of is 4. What is x? D(A)2(B)4(C)10(D)20(E)40 相关知识点: 试题来源: 解析 D 反馈 收藏