Respuesta :

jcherry99

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.