There are:26*60 = 1560 seconds
26 hours exactly
1560/24 = 65 minutes
6 minutes, 11 seconds
8 minutes, 51 seconds
There are:26*60 = 1560 seconds
The train is running 4 minutes late. It "needs" to be running 1/2 hours, or 30 minutes late. So it needs to lose 26 minutes, or 26*60 = 1560 seconds. It loses 4 seconds per minute. So it loses 1560 seconds in 1560/4 = 390 minutes = 61/2 hours.
3 minutes and 51 seconds.
1560 minutes
26 hours exactly
1560/24 = 65 minutes
93,600
6 minutes, 11 seconds
11 minutes, 10 seconds.
14 minutes, 16 seconds.
There are 5 minutes and 50 seconds
7 minutes, 28 seconds