combined speed = 110
110 mi/h * t = 660
t = 6
yes
Two trains started at the same time from the same station and traveled in opposite directions.One traveled at a rate of 50mph and other at a rate of 60mph.In how many hours were they 660 miles apart?I want to know if my answer is correct.
50t+60t=660
110t=660
110
t=6
1 answer
1 answer