A boy rides his bicycle 10 km at an average speed of 12 km/hr and again travels 12 km at an average speed of 10 km//hr. His average speed for the entire trip is approximately:

A boy rides his bicycle 10 km at an average speed of 12 km/hr and agai

1.	A boy rides his bicycle 10 km at an average speed of 12 km/hr and again travels 12 km at an average speed of 10 km//hr. His average speed for the entire trip is approximately:
A.	0.4 km/hr
B.	0.8 km/hr
C.	1 km/hr
D.	2.2 km/hr
Answer» C. 1 km/hr

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A boy rides his bicycle 10 km at an average speed of 12 km/hr and again travels 12 km at an average speed of 10 km//hr. His average speed for the entire trip is approximately:

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