Its the second one i think. It isn't calculating any actual number, it is giving a sort of broad answer of everyone that needs it new or replaced
Answer:
A. 2 hours walking; 12 hours running.
I am aware this is a multiple choice question. There is only one answer.
Answer:
watch on the box to see if it have a number on it and call the number to return the box
The answer is B and C. Hope this helps!