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【OG20-P172-169题】
In Country C, the unemployment rate among construction workers dropped from 16 percent on September 1,1992, to 9 percent on September 1, 1996. If the number of construction workers was 20 percent greater on September 1,1996, than on September 1,1992, what was the approximate percent change in the number of unemployed construction workers over this period?
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1992.9. 1 1996.9.1
Un rate 16% 9%
TOTAL X (1+20%)X
失业人数 16%X 9%*(1+20%)X
失业人数改变百分比:9%*(1+20%)X-0.16x /0.16X= -32.5% 下降了将近32%左右
题目讨论 (9条评论)

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ElisaGo
change in the number of unemployment construction workers:分母是0.16X,是失业建筑工人的变化
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0 回复 2022-04-19 15:44:23
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目标750
x=100,直接带进去算啊,更快
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0 回复 2021-06-13 18:24:28
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目标750
1992.9. 1 1996.9.1 Un rate 16% 9% TOTAL X (1+20%)X 失业人数 16%X 9%*(1+20%)X X=100,直接带进去算 失业人数改变百分比:9%*(1+20%)X-0.16x /0.16X= -32.5% 下降了将近32%左右
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0 回复 2021-06-13 18:24:06
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626617yh
失业建筑工人也算建筑工人,老‘定义家’了
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0 回复 2021-03-27 21:44:49
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Elaine750
理清数量关系,不要看到数字多就乱了
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0 回复 2019-11-03 14:54:19
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小林700
已经失业的construction workers也能算construction workers?
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0 回复 2018-12-12 20:39:23
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魏姐来点辣酱
题目问的是the percent change the number of不是the number of
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0 回复 2018-10-15 19:45:40
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默默
求96年的名义收益率和实际收益率
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1 回复 2018-05-09 06:08:46
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316525km回复 默默
怎么哪里都有你???
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0 回复 2020-07-25 13:33:44
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感觉自己萌萌哒
92年失业率为16%,96年为9%。96年总人数比92年多20%
设92年总人数为:a,那么失业率:0.16a
96年总人数为:a(1+20%);失业率为:0.09*a(1+20%)=0.108a
(0.108a-0.16a)/0.16a= -32.5%
下降了约30%,选B
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0 回复 2015-11-27 14:06:42