5 hours and 15 minutes is equivalent to :
5.15 hours
5.25 hours
5.30 hours
None of the above
1 hour = 60 minutes ∴ 15 minutes = 1560 = 0.25 hours So, 5 hours and 15 minutes = 5 + 0.25 = 5.25 hours
Can complete this table.
Distance travelled
Time taken
Average speed
150 km
5 hours
....................
360 km
4 hours 30 minutes
12 hours
52 km/hour
8 hours 30 minutes
54 km/hour
600 km
30 km/hour
475 km
50 km/hour
2 hours 15 minutes
60 km/hour