Answer:

Explanation:
Given that,
On Sunday at 10:30 am it started snowing. By Monday at 10:30 am, there were 12 inches of snow.
We need to find the rate of fell of snow each hour. It can be calculated as follows :
Time from Monday at 10:30 am to Sunday at 10:30 am = 24 hours
So,

So, the snow fell at the rate of
.