SOLUTION: At 9:00 a.m. a train left the station on a round trip that covered 54 miles. It returned after a 30-minute layover. The train averaged 18 miles per hour on the outgoing trip. It av

Question 1123375: At 9:00 a.m. a train left the station on a round trip that covered 54 miles. It returned after a 30-minute layover. The train averaged 18 miles per hour on the outgoing trip. It averaged 50% faster on the return trip. What time did it return to the station?
11:00 a.m.
11:20 a.m.
12:20 p.m.
12:00 p.m.
12:40 p.m.

Answer by Boreal(15235) (Show Source): You can put this solution on YOUR website!
18 mph outbound and 27 mph (50% faster) on the inbound trip
It took 1.5 hours outbound and 1 hour inbound, with 0.5 hour layover. That is 3 hours.
It returned at 12:00 p.m.

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