1.) A car cover 614.10 km in 13.8 hours. How long will it take to travel 325 km?
2.)

Dear Student , 
Given 

car covers 614.10 km in 13.8 hrs

speed = distance /time 

= 614.10/13.8

= 44.5 m/s

now time taken to cover 325 km 

time = distance /time 


= 325/44.5 


= 7.30 hrs 


= 7 hrs 18 minutes

Regards