Answer:
It would take them 64 hours. However, this is only true if they decrease by two in the end. The question is not very specific.
Answer:
The answer is B:8
Step-by-step explanation:
because when you line up the numbers in order
5 6 7 8 11 11 15
The middle number is 8
Answer:
42.5
Step-by-step explanation:
see attached image.