Respuesta :

divide total by time:

9 / 12 = 0.75 inches per hour

if you need it as a fraction 0.75 = 3/4

to find the anwser we have to find the unit rate of snow fall for hour
9/12 = 3/4 so 3/4 inches per hour, 


hope this helps!

*miles, and money goes on the bottom when your doing a ratio