Respuesta :

1 hour is 60 minutes, so 2 hours is 120 minutes.

[tex] \frac{(15/60)}{2} [/tex] = [tex] \frac{1}{8} [/tex] . 

Or the most easiest way; [tex] \frac{15}{120} [/tex] = [tex] \frac{1}{8} [/tex]

Overall, your answer is [tex] \frac{1}{8} [/tex]