Question

At the same time, two trains start toward each other on parallel tracks, 450 miles apart. Train A’s constant rate is 55 mph. Train B’s is 65 mph. How long before they pass each other?

Answer 1

3h and 45 min

Explanation:

Just did it

Answer 2

55 + 65 = 120

450/120 = 3.75 hrs

= 3h 45m