Average 6408

The truck drove out of the factory at an average speed of 60 km/h. A car drove past him in half an hour, and in an hour and a half, he caught up with him. What was the average speed, and how many km did she drive?

Correct answer:

v =  120 km/h
s =  60 km

Step-by-step explanation:

s=60 (0.5+0.5)=60 km t=0.5 h v=s/t=60/0.5=120 km/h
s=60=60 km

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