I am really stuck on how to figure this answer out, could you please help me?

Question

A stoplight flashes red for 50seconds, yellow for five seconds, and green for 65 seconds. In a 24 hour period, how long is the light red?

Answer 1

It is red 50/(50 + 5 + 65) = 5/12 of the time

5/12 of 24 hours is 10 hours.

Answer 2

Thank you

Answer 3

That helped Me

Answer 4

helped me too! nice name btw