Answer:
[tex]Grade = 12.3[/tex]
Step-by-step explanation:
Given
[tex]Rise = 75ft[/tex]
[tex]Run = 920ft[/tex]
Required
Determine the road grade
This is calculated as:
[tex]Grade = \frac{Rise}{Run}[/tex]
[tex]Grade = \frac{920ft}{75ft}[/tex]
[tex]Grade = 12.3[/tex] --- approximated