Answer:
C. Starting from the height 1103ft, you gain 91ft each additional hour of climbling
Explanation:
First, you subtract the 0 hour from the first hour (or second by third either or works).
1103-1194=91
Then, you put your answer in word for , which is "Starting from the height 1103ft, you gain 91ft each additional hour of climbling".
Finally go back and check to see if you made any mistakes.