With this information, you can calculate the quantity of seconds 15 minutes is equal to.

¿What is the inverse calculation between 1 second and 15 minutes?

Performing the inverse calculation of the relationship between units, we obtain that 1 second is 0.0011111111 times 15 minutes.

Which is the same to say that 15 minutes is 900 seconds.

Fifteen minutes equals to nine hundred seconds. *Approximation

A second is zero times fifteen minutes. *Approximation