纺织厂第一车间有50人，第二车间的人数是第一车间的2倍，第三车_爱下问搜题

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问题解答题

纺织厂第一车间有50人，第二车间的人数是第一车间的2倍，第三车间比这两个车间人数的和的2倍多20人．第三车间有多少人？

答案

（50×2+50）×2+20

=150×2+20，

=300+20，

=320（人），

答：第三车间共有320人．

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