一个修路队原计划20修完一条路,实际每天多修45米,提前5天完成任务,原计划修多少米路?算式++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++算式
问题描述：
一个修路队原计划20修完一条路,实际每天多修45米,提前5天完成任务,原计划修多少米路?
算式++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++算式
答
由此可知道原计划的速度是1/20,现在是1/15,也就可以求出总路程的1/15和1/20的量为45米.
20-5=15(天)
1/15-1/20=1/60
45除1/60=2700(米)
答:原计划修2700米路.