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In everyday, non-mathematical usage then it is preferable to write 1.5 hours.
In mathematics then either expression is acceptable as there is no confusion regarding the number and the unit of measurement is clearly identifiable.
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∙ 14y ago
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How far is3 hours at 15 miles per hour?
45 miles in three hours at 15 miles per hour.
What is the unit rat in dollars per hour if 225 is earned in 15 hours?
It is: 225/15 = $15 per hour
What is 2 hours and 15 minutes to the nearest hour?
2 hours
What is 3 hours and 15 minutes minus 1 hour and 35 minutes?
3 hours 15 minutes minus 1 hour 35 minutes = 1 hour and 40 minutes
Is 7.25 the same as 7 hours and 15 minutes?
Yes, to be precise: 7.25 HOURS is the same as 7 hours and 15 minutes. 7.25 hours is 7 hours plus 0.25 hours. In words, 0.25 hours is one-fourth of an hour, and one-fourth of an hour is equal to 15 minutes.
Is 0.5 hour or 0.5 hours correct use?
Both are correct.
How far is3 hours at 15 miles per hour?
45 miles in three hours at 15 miles per hour.
How do you write 15 minutes in hours?
15 minutes is 1/4 hour or 0.25 hours.
What is 920 minutes in hours form?
15 hours 20 minutes(920 divided by 60(minutes to an hour) equals 15.33333, 15 hours and a third; a third of an hour is 20 min, 15 hours and 20 minutes.)
What is quarter of an hours?
a quarter of an hour is 15 minutes
What is the unit rat in dollars per hour if 225 is earned in 15 hours?
It is: 225/15 = $15 per hour
What is 2 hours and 15 minutes to the nearest hour?
2 hours
What does the .25 mean in 3.25 hours?
15 minutes (a quarter of an hour)In decimal .25 is one quarter. A quarter of an hour is 15 minutes. So in 3.25 hours, the .25 means 15 minutes.
What fraction of 3 hours 4minutes?
1hour = 60 minutes 3 hours 4 minutes:= 3 hours + 4 minutes= 3 hours + 4/60 hour= 3 hours + 1/15 hour= 3 1/15 hours= 46/15 hours in fraction
What is 15 percent of 8 hours?
15% of 8 hours = 15% * 8 = 0.15 * 8 = 1.2 hours or 1 hour 12 minutes
What is 3 hours and 15 minutes minus 1 hour and 35 minutes?
3 hours 15 minutes minus 1 hour 35 minutes = 1 hour and 40 minutes
Is 7.25 the same as 7 hours and 15 minutes?
Yes, to be precise: 7.25 HOURS is the same as 7 hours and 15 minutes. 7.25 hours is 7 hours plus 0.25 hours. In words, 0.25 hours is one-fourth of an hour, and one-fourth of an hour is equal to 15 minutes.
