一车间生产一批零配件,已知每生产一个合格产品获利0.8元,生产一个不合格产品损失1.2元。若某天生产的合格率为90%,且获利1200元,则这天生产了多少件...

作者: tihaiku 人气: - 评论: 0
问题 一车间生产一批零配件,已知每生产一个合格产品获利0.8元,生产一个不合格产品损失1.2元。若某天生产的合格率为90%,且获利1200元,则这天生产了多少件不合格产品?( )
选项 A.200 B.150 C.250 D.125
答案 A
解析 由合格率为90%,可设这天生产不合格产品1个,则合格产品个。由 题意得,0.8×9x-1.2x=1200,解得1=200。故选 A。

相关内容:车间,生产,零配件,产品,0.8元,损失,1.2元,合格率,1200元,这天

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