Answer:
It will take him 7 ½ days.
Step-by-step explanation:
He goes up 2 ½ but falls back down ½ so you take the two and do 15/2 and get 7.5 which is 7 ½ days.
 
        
             
        
        
        
I’m pretty sure you have it right already
        
             
        
        
        
<h2>answer is option C </h2>
here is your answer 
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Answer:
the answer is i think is 60.7