It would be B. if that helps
The answer you picked is correct.
7*24 = 168 quarts of water per day goes into barrel.
25*48 = 1200 quarts of waste water picked up
1200÷168 =7.142857143
Answer: 
Step-by-step explanation:
Given


is given by replacing the
by
from the 

Now,
is

Answer:
It equals 74.88
Step-by-step explanation:
U jus multiply them