Question

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
combined speed = 110

110 mi/h * t = 660
t = 6
yes

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