A truck covers a certain distance in 12h at the speed of 70km/h. What is the average speed of a car which travels a distance of 120 km more than the truck in the same time?

A truck covers a certain distance in 12h at the speed of 70km/h. Wh

1.	A truck covers a certain distance in 12h at the speed of 70km/h. What is the average speed of a car which travels a distance of 120 km more than the truck in the same time?
A.	76 km/h
B.	85km/h
C.	80 km/h
D.	78 km/h
Answer» D. 78 km/h

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A truck covers a certain distance in 12h at the speed of 70km/h. What is the average speed of a car which travels a distance of 120 km more than the truck in the same time?

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