A man divided his journey into three parts of distances of 18 km, 20 km, and 27 km. He travelled the distances at the speeds of 6 km/h, 5 km/h, and 9 km/h, respectively. What was his average speed during the entire journey?

A man divided his journey into three parts of distances of 18 km, 20 k

1.	A man divided his journey into three parts of distances of 18 km, 20 km, and 27 km. He travelled the distances at the speeds of 6 km/h, 5 km/h, and 9 km/h, respectively. What was his average speed during the entire journey?
A.	7.5 km/h
B.	5.5 km/h
C.	6.5 km/h
D.	4.5 km/h
Answer» D. 4.5 km/h

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A man divided his journey into three parts of distances of 18 km, 20 km, and 27 km. He travelled the distances at the speeds of 6 km/h, 5 km/h, and 9 km/h, respectively. What was his average speed during the entire journey?

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