Jane can travel 390 miles in 6 hours. how far can she travel in 4 hours at the same rate of speed? [d=rt]

I  don't know the answer but this can help 

 Two cars leave town at the same time travelling in the same direction.
One travels 80 km/h and the other 100 km/h. In how many hours will they be 90 km apart?

Answer by ikleyn(11788)   (Show Source):You can put this solution on YOUR website!
.
The distance between the cars increases at the rate of 100 - 80 = 20 km/h. 

Therefore, in  = 4.5 hours = 4 hours and 30 minutes the distance between the cars will be 90 km/h. 

5/ 1/3=15 i think sorry if im wrong