Journey to Brno

The Dvořák and Novák families live in the same house on the outskirts of Prague. Over the weekend they set out by car to Brno. Mr. Novák drives on the motorway at an average speed of 120 km/h, Mr. Dvořák is more cautious, his average speed is usually 95 km/h. They agreed that Mr. Dvořák would leave half an hour earlier and they would meet before Brno at the Nine Crosses, which are 168 km from the place of departure. Find out which answer is correct:

1) Mr. Novák and Mr. Dvořák will arrive at the meeting place at the same time.
2) Mr. Dvořák will wait for Mr. Novák.
3) Mr. Novák will overtake Mr. Dvořák before the Nine Crosses.

Final Answer:

x =  2

Step-by-step explanation:

 95 d = 168 120(n0.5) = 168  d=168/95=95168=195731.7684 h n=168/120+0.5=1019=1109=1.9 h  d<n x=2



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