<PRE><B>Question 23349</B>
The formula that you need to know is distance = speed x time.


B)  d = s x t
C)  d = 60mph x 3h = 180 miles
D) 300m = 60mph x t
   300m/60mph = t
   5 hours = t
E) 300 miles - 180 miles = 120 miles remaining


I hope that the answers are right. 
 
  </PRE>