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Q: How do you write 3 hours and 30 minutes as a decimal?

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5.5 hours. (30 minutes is half an hour, expressed as 0.5hrs, or every 0.1hrs is 6.0min.)

It is: 4.5 hours

2.5

2.5 hours

It is 1.5 hours

Everything before the decimal is hours. Everything behind multiplies with 60. 3 hours and (0.5x60=30) 30 minutes.

III hours, XXX minutes

First you divide by 60 to find the hours. In this case, you do 1800/60 and get 30. There is no decimal part or remainder and so there will be no minutes. Therefore, in 1,800 minutes, there is exactly 30 hours.

6hrs and 30 minutes

7 h. 30 min.

450 minutes.

To convert the decimal part of a hour to minutes multiply by 60. So 13.5 hours = 13 h 30 minutes.

30 hours and 45 minutes 30 hours and 45 minutes 30 hours and 45 minutes

Take just the decimal, and multiply it by 60. So if you have 3.5 hours, you do 0.5 x 60 to get 30 minutes. If you have 6.48 hours, you do 0.48 x 60 to get 28.8 minutes, for which you can do the same thing with the decimal to get seconds (0.8 x 60 = 48 seconds)

7 hours 12 minutes - 3 hours 30 minutes = 3 hours 42 minutes

7 hours and 30 minutes is 7.5 hours.

It is: 3 and 1/2 hours

(20 hours 30 minutes) - (5 hours 45 minutes) = 14 hours 45 minutes.

30/100 as a decimal = 0.30

12 hours 30 minutes

There are 210 minutes in 3 hours and 30 minutes, since there are 60 minutes in an hour.

(6 hours 30 minutes) + (55 minutes) = 7 hours 25 minutes

30 minutes is 1/6th of 3 hours, so the ratio of 30 minutes to 3 hours is 1:6

That is 8 hours and 30 minutes exactly.

2 hours 30 minutes