4. Looking into the future, China will open its arms wider and work with relevant parties along the path of sustainable development featuring increased production, higher living standards and healthy ecosystems, to jointly build a world that is good for living and a community of a shared future ...
A number is increased by 50% and the result is 150. What was the original number? A. 100 B. 120 C. 130 D. 140 相关知识点: 试题来源: 解析 A。解析:设原来的数为x,增加50%后的数就是x加上50%x,即x+0.5x = 1.5x。已知结果是150,那么1.5x = 150,x就等于150除以1.5,得到100,所以选...
百度试题 结果1 题目Translate " anumber increased by 47" into a mathematical expression.相关知识点: 试题来源: 解析 n+47 n+47
【题目】(8) A number is increased by 5, then multiplied by 5, then reduced by 5,and finally divided by 5. The result is 5. The number is( ). 答案 【解析】(8)1相关推荐 1【题目】(8) A number is increased by 5, then multiplied by 5, then reduced by 5,and finally divided by...
百度试题 结果1 题目Four times a number increased by 20 is the same as five times the number increased by9. Find the number.相关知识点: 试题来源: 解析 11 11
百度试题 结果1 题目A number is increased by 25% and the resulting number is then decreased by 20%. The final number iswhat percent of the original number? A. 90% B. 95% C. 100% D. 105% E. 120% 相关知识点: 试题来源: 解析 C ...
A. Decreased by 4% B. Increased by 4% C. No change D. Decreased by 20% 相关知识点: 试题来源: 解析 A。解析:设这个数为 100,增加 20%后是 120,再减少 20%是 120 乘以(1 - 20%)等于 96,相比原来减少了 4,减少的百分比是 4 除以 100 等于 4%。
If a number is increased by 5 and then doubled, the result is 24. What is the number? A. 7 B. 8 C. 9 D. 10 相关知识点: 试题来源: 解析 A。本题考查数学推理在英语中的表达。设这个数为 x,那么(x + 5)×2 = 24,展开可得 2x + 10 = 24,移项得 2x = 14,解得 x = 7。选...
If a number is increased by 20% and then decreased by 20%, the final number is what percentage of the original number? A. 96% B. 100% C. 104% D. 120% 相关知识点: 试题来源: 解析 A。本题考查数学推理中的百分比变化。设原数为 100,增加 20%后变为 120,再减少 20%,即 120 的 20...
If a number is increased by 5, it becomes 15. The equation for this is: A. x + 5 = 15 B. x - 5 = 15 C. 5x = 15 D. 15 - x = 5 相关知识点: 试题来源: 解析 A。设这个数为 x,增加 5 后是 15,所以是 x + 5 = 15。B 选项 x - 5 = 15 表示这个数减去 5 等于 15,...