Pls help i have to turn this in tomorrow!!! I’m not sure if i did this right, if not pls tell me how to do <3

Answer:
13
Step-by-step explanation:
Sorry no one answered in time, but you had it correct up to 26/2. 26/2 is correct (26 minutes for 2 people) but you need for 1 person so you divide by 2 to get 13 minutes per 1 person.