Yuto and Lian are at train stations 1,880 kilometers apart. Yuto boards a train heading east at an average speed of 220 kilometers per hour. At the same time, Lian boards a train heading west on a parallel track at an average speed of 250 kilometers per hour. How far has Lian traveled when the two trains pass each other?
How long before they meet?
1880 km / (220 +250 km/Hr) = 4 hours
Lian speed = 250 km/hr
250 km/hr x 4 hr = 1000 km