SOLUTION:
In this question, we are given the following:
Step 2:
The details of the solution are as follows:
The rules for wheelchair ramps require a maximum 1 -inch rise for a 12 -inch run.
How far, x, must the ramp run ( in inches) to accommodate a 24- inch rise to the door?
This means that:

cross-multiply, we have that:

This means that the correct option is: