Pls Help! Show all your work ty! On a shopping trip, Marge drove 3 km at 60 km/h, 5 km at 120 km/h, and 3 km at 40 km/h. Her average for the whole trip was...
A) 20 km/h
B)73 1/3 km/h
C) 81 9/11 km/h
D) 66 km/h
E) 65 km/h

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