Suresh needs to travel from his home to his garden, which is 20 kilometers away. After walking for a while, he decides to run the rest of the way. But before he starts running, he walks only 25% of the total distance. Suresh walks at a speed of 5 kilometers per hour and runs at a speed of 9 kilometers per hour. How much time will he need to finish his journey?
1
1 hour 20 minutes
2
2 hours 40 minutes
3
2 hours 20 minutes
4
1 hour 40 minutes
5
2 hours 45 minutes