Question

Convert 1 hr 54 mins to decimal hours.
A) 1.9
B) 1.54
C) 1.6
D) 1.75

Answer 1

To convert 1 hour 54 minutes to decimal hours, divide the minutes by 60 and add it to the hours. This results in 1 hour + (54/60) hours = 1.9 hours. Hence, the correct answer is (A) 1.9 decimal hours.

Step-by-step explanation:

To convert 1 hour 54 minutes to decimal hours, you need to transform the minutes into a fraction of an hour. Since there are 60 minutes in an hour, you'd divide 54 by 60. The calculation looks like this:

54 minutes ÷ 60 minutes/hour = 0.9 hours

Now, add this to the 1 hour:

1 hour + 0.9 hours = 1.9 hours

So, 1 hour 54 minutes in decimal hours is 1.9.

Therefore, the correct answer is A) 1.9.