Direction 3958

In the direction of Hradec Králové, a car left Prague at 8 hours at a speed of 50 km / h. At 8 hours and 30 minutes, another car followed him at an average speed of 70 km / h. How long will it take to catch up with the first car?

Correct answer:

t =  1.75 hod

Step-by-step explanation:


20t = 35

t = 7/4 = 1.75

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