With this information, you can calculate the quantity of hours 45 seconds is equal to.
¿What is the inverse calculation between 1 hour and 45 seconds?
Performing the inverse calculation of the relationship between units, we obtain that 1 hour is 80 times 45 seconds.
Which is the same to say that 45 seconds is 0.0125 hours.
Forty-five seconds equals to zero hours. *Approximation
A hour is eighty times forty-five seconds. *Approximation