A nurse gives her patient one tablet every 45 minutes. How many tables she will need for a 9 hours long duty, if she gives the first table at the beginning and the last table at the last of her duty?
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