Since the denominators are already equal to each other, all you have to do is add the numerators.
Answer:
1179
Step-by-step explanation:
I believe that the answer is 6. Feel free to check yourself but i think its 6
Julio began at a 4 mile elevation. Kathy began at 0 elevation. Kathy made it to 8 miles first. Kathy experienced a greater elevation change. Hope that helps :)