If a car went the first third of the distance at 80 km, the second third at 24 km, and the last third at 48 km, what was

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If a car went the first third of the distance at 80 km, the second third at 24 km, and the last third at 48 km, what was the average speed of the car for the entire trip?

A. 36 kmh
B. 40 kmh
C. 42 kmh
D. 44 kmh
E. 50 kmh

Answer: B

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