甲乙兩個(gè)工程隊(duì)合修一條公路,甲工程隊(duì)比乙工程隊(duì)每天多修50米,甲工程隊(duì)修900米所用時(shí)間和乙工程隊(duì)修600米所用時(shí)間相等,問甲乙兩個(gè)工程隊(duì)每天分別修多少米?
設(shè)乙工程隊(duì)每天修x米,則甲工程隊(duì)每天修(x+50)米.
=
,
解得x=100,
經(jīng)檢驗(yàn)x=100是原方程的解,
∴x+50=150.
答:乙工程隊(duì)每天修100米,則甲工程隊(duì)每天修150米.