1.

A bus travels at a speed of 50 km per hour to go from its origin to its destination at a distance of 300 km and travels at a speed of 60 km per hour to return to the origin. What is the average speed of the bus?

A. 54.55 km per hour
B. 55 km per hour
C. 55.55 km per hour
D. 54 km per hour
Answer» B. 55 km per hour


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