Question 835471
The slower truck traveled longer because it left on the path first.


Vehicle________speed______time________distance
SLOW&EARLY______50________t+1__________d=50(t+1)
FAST&LATE_______65_________t___________d=65t


"Overtake" means both distances are equal:
{{{highlight_green(50(t+1)=65t)}}}
Solve for t, which is in hours.