2.5 km per hour
3
2.5 hours is equal to 25 tenths of an hour.
There is 30 minutes in a half hour. There is no hours in half hours.
At 60 miles per hour, six hours. At 30 miles per hour, twelve hours.
One.
1.075
3
It must be 1.5 Km/h
In 12 hours, the min hand will just about cross 12 times.
The minute hand will cross over the hour hand once every hour. So in 12 hours, the answer is 12 times.
1 (hour) 1 (hour) 1 (hour) 1 (hour) +__________ = 4 (hours)
In one hour there is one hour or 60 minutes. In one day there are 24 hours.
3.4 of an hour is 3.4 hours, or 3 and 4/10 hours, or 3 hours and 24 minutes.
Four quarter hours.
1 hour and 33 minutes
31/2 hours.
One half hour.