[img]2012q1/ct_egreqm_egreqtbz1_0017_20121[/img] [br] The percent decrease in av

游客2024-01-12 38

问题

[br] The percent decrease in average number of production hours per widget from 1990 to 2000 was approximately

选项 A、44%
B、36%
C、34%
D、32%
E、27%

答案 A

解析

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________fromthemoon,theearthwithwater________seventypercentofitssurfac