A motorist travels for 3.0 h at 80 km/h and 4.0 h at 60 km/h. What is her average speed for the trip?
A) 69 km/h
B) 70 km/h
C) 74 km/h
D) 140 km/h
E) 73 km/h

Name: A motorist travels for 3.0 h at 80 km/h and 4.0 h at 60 km/h. What is her average speed for the trip? A) 69 km/h B) 70 km/h C) 74 km/h D) 140 km/h E) 73 km/h
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The Answer of A motorist travels for 3.0 h at 80 km/h and 4.0 h at 60 km/h. What is her average speed for the trip?
A) 69 km/h
B) 70 km/h
C) 74 km/h
D) 140 km/h
E) 73 km/h

A Motorist Travels for 3