Question 333490
Car A travels 60 mph 
and Car B travels 65 mph. 
 Car B arrives one hour before Car A. 
..
let distance traveled be x
{{{ time = distance / speed}}}
car A time = x/60
car B time x/ 65
..
x/60- x/65 = 1
65x-60x /(60*65)=1
5x= 60*65
x= 60*65/5
x=780 miles