Question 144657
it took Mrs. Ravi 2.5 hours to reach the terminal __ traveling at 60km/h means the terminal is 150 km (2.5*60) from their home


when Mrs. Ravi reached the terminal; Mr. Ravi had been traveling for 3 hrs, and he had gone 135 km (150-15)


Mr. Ravi's average speed is 135/3 or 45km/h


it will take him another 20 min (15km/45km/h) to reach the terminal __ 6:15 plus 20 min is 6:35