High School

What is 150.55 degrees expressed in hours and minutes (minutes may be written as a decimal)?

A. 10 hours and 2.2 minutes
B. 10 hours and 0.03666 minutes
C. 150 hours and 55 minutes
D. 10 hours and 3.666 minutes
E. 10 hours and 55 minutes
F. 10 hours and 0 minutes

Answer :

Final answer:

To convert 150.55 degrees to hours and minutes, we set up a proportion and solve for the equivalent number of hours. The result is approximately 10.06 hours, which is equal to 10 hours and 3.6 minutes.

Explanation:

To express 150.55 degrees in hours and minutes, we need to convert the degrees to hours. Since there are 360 degrees in a circle and 24 hours in a day, we can set up a proportion to solve for the equivalent number of hours. 360 degrees / 24 hours = 150.55 degrees / x hours

Cross multiplying, we have 360x = 24 * 150.55. Dividing both sides by 360, we get x = (24 * 150.55) / 360. Solving this equation, we find that x is approximately 10.06 hours.

Since there are 60 minutes in an hour, we can multiply the decimal part of the hours by 60 to find the equivalent number of minutes. 0.06 * 60 = 3.6. So, 10.06 hours is equivalent to 10 hours and 3.6 minutes.

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