INTERACTIVE EXAMPLE
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Car Meets Train


A train leaves the train station at noon and travels at a constant speed of vt = 50 mi/hr on a straight track. 2 hr later, a car leaves the same train station and travels in the same direction at vc = 70 mi/hr on a road next to the train track.

How far from the station is the place where the car catches up with the train?

x = mi