甲、乙两个车间,甲车间人数占两个车间总人数的5/8,如果从甲车间抽调90人到乙车间后.则甲车间的人数正好是乙车间人数的2/3.原来两个车间个有多少人?

来源：学生作业帮助网 编辑：作业帮 时间：2024/12/01 05:30:48
甲、乙两个车间,甲车间人数占两个车间总人数的5/8,如果从甲车间抽调90人到乙车间后.则甲车间的人数正好是乙车间人数的2/3.原来两个车间个有多少人?
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甲、乙两个车间,甲车间人数占两个车间总人数的5/8,如果从甲车间抽调90人到乙车间后.则甲车间的人数正好是乙车间人数的2/3.原来两个车间个有多少人?
甲、乙两个车间,甲车间人数占两个车间总人数的5/8,如果从甲车间抽调90人到乙车间后.
则甲车间的人数正好是乙车间人数的2/3.原来两个车间个有多少人?

甲、乙两个车间,甲车间人数占两个车间总人数的5/8,如果从甲车间抽调90人到乙车间后.则甲车间的人数正好是乙车间人数的2/3.原来两个车间个有多少人?
甲250人,乙150人!

把两个车间的总人数看作单位“1”，则甲车间的人数占总数的58
，乙车间的人数就占（1-5
8
）；由“如果从甲车间抽调90人到乙车间后，则甲、乙两个车间的人数比是2：3”可知，此时乙车间的人数就占总人数的3
2+3
，则对应量所对应的分率就是（3
5
-3
8
），用对应量除以对应分率就是两车间的总人数，进而...

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把两个车间的总人数看作单位“1”，则甲车间的人数占总数的58
，乙车间的人数就占（1-5
8
）；由“如果从甲车间抽调90人到乙车间后，则甲、乙两个车间的人数比是2：3”可知，此时乙车间的人数就占总人数的3
2+3
，则对应量所对应的分率就是（3
5
-3
8
），用对应量除以对应分率就是两车间的总人数，进而可以求得每个车间的人数． 总人数：90÷[3 2+3 -（1-5 8 ）]，
=90÷（3 5 -3 8 ），
=90÷9 40 ，
=400（人）；
甲车间人数：400×5 8 =250（人），
乙车间人数：400-250=150（人）；
答：原来甲车间人数是250人，乙车间人数是150人

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