Question

A train travels from City A to City B at a speed of 60 km/h and then from City B to City C at a speed of 80 km/h. The distance between City A and City B is 240 km, and the distance between City B and City C is 320 km. What is the average speed of the train for the entire trip?

A 70 km/h
B 72 km/h
C 75 km/h
D 76 km/h
Practice Next

Hey! Ask a query