A car travelling at 60km/hr left dehradun at 3pm. One hour later another car travelling at 80km/hr started over the same road to overtake the first. How long must the second car travel? Please answer fast!!! Tomorrow exam!!! Share with your friends Share 9 Varun.Rawat answered this Let the second car overtakes the first car, x hours after it started.Now, time for which firt car travelled = x+1 hrsAlso ,distance covered by both the cars will be same when the second car overtakes the first car.Distance covered by first car in x+1 hrs = speed ×time = 60x+1 kmDistance covered by second car in x hrs = 80xNow, according to question60x+1 = 80x⇒60x+60 = 80x⇒80x - 60x = 60⇒20x = 60⇒x = 6020 = 3So, after 3 hours, second car overtakes the first car. 11 View Full Answer Akhoury Shauryam answered this let the time taken by 1st car be x hrs then 60kmx=80km(x-1) or 60kmx=80kmx-80km or -20kmx=-80km or x=4 so the second car will travel 4-1=3hrs 3