Answer:
Step-by-step explanation:
Comment
1 week has 7 days
x week has 9 days Cross Multiply
7x = 9*1 Divide by 7
x = 9/7
x = 1.29 weeks
1 gallon has 3.79 liters
x gallons = 7 liters Cross multiply
x * 3.79 = 7*1
x = 1.85 gallons
Answer
In a week the answer would be 1.85/1.29 = 1,44 gallons / week.
