Answer:

Step-by-step explanation:
Given


Required
Determine the height
The volume is calculated as:

Since, it has a triangular cross-section, the expression becomes:

So, we have:




Simplify for -5/8*2/3= -5/12
-0.416 as a mixed number
Use the proportion inches per miles.
.5 in / 2 miles = 2.75 in / d miles
Hope this helps :)