A man on a tour travels first 360 km by train at 72 km/h, the next 160 km on a motor cycle at 12.80 km/h, and the last 200 km by a bicycle at 16 km/h. Ignoring the buffer times between the different modes of travel, what is the average speed (in m/s) of his tour?

A man on a tour travels first 360 km by train at 72 km/h, the next 160

1.	A man on a tour travels first 360 km by train at 72 km/h, the next 160 km on a motor cycle at 12.80 km/h, and the last 200 km by a bicycle at 16 km/h. Ignoring the buffer times between the different modes of travel, what is the average speed (in m/s) of his tour?
A.	4.33
B.	5.67
C.	6.67
D.	7.33
Answer» D. 7.33

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A man on a tour travels first 360 km by train at 72 km/h, the next 160 km on a motor cycle at 12.80 km/h, and the last 200 km by a bicycle at 16 km/h. Ignoring the buffer times between the different modes of travel, what is the average speed (in m/s) of his tour?

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