某车间有26名工人,每人每天可以生产800个螺钉或1000个螺母,1个螺

某车间有26名工人,每人每天可以生产800个螺钉或1000个螺母,1个螺钉需要配2个螺母,为使每天生产的螺钉和螺母刚好配套.设安排x名工人生产螺钉,则下面所列方程正确的是(  )

A2×100026x=800x B100013x=800x

C100026x=2×800x D100026x=800x

答案

C【考点】由实际问题抽象出一元一次方程.

【分析】题目已经设出安排x名工人生产螺钉,则(26x)人生产螺母,由一个螺钉配两个螺母可知螺母的个数是螺钉个数的2倍从而得出等量关系,就可以列出方程.

【解答】:设安排x名工人生产螺钉,则(26x)人生产螺母,由题意得

100026x=2×800x,故C答案正确,

故选C

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